44 files changed, 336 insertions, 293 deletions

diff --git a/files/es/_redirects.txt b/files/es/_redirects.txt
index 61c4468834..5edb9ac27f 100644
--- a/files/es/_redirects.txt
+++ b/files/es/_redirects.txt
@@ -1821,11 +1821,13 @@
 /es/docs/Web/API/Node.nextSibling	/es/docs/Web/API/Node/nextSibling
 /es/docs/Web/API/Node/elementoPadre	/es/docs/Web/API/Node/parentElement
 /es/docs/Web/API/Node/insertarAntes	/es/docs/Web/API/Node/insertBefore
+/es/docs/Web/API/Node/namespaceURI	/es/docs/conflicting/Web/API/Element/namespaceURI
 /es/docs/Web/API/Node/nodoPrincipal	/es/docs/conflicting/Web/API/Node
 /es/docs/Web/API/NonDocumentTypeChildNode	/es/docs/conflicting/Web/API/Element
 /es/docs/Web/API/NonDocumentTypeChildNode/nextElementSibling	/es/docs/Web/API/Element/nextElementSibling
 /es/docs/Web/API/NonDocumentTypeChildNode/previousElementSibling	/es/docs/Web/API/Element/previousElementSibling
 /es/docs/Web/API/Notifications_API/Usando_la_API_de_Notificaciones	/es/docs/Web/API/Notifications_API/Using_the_Notifications_API
+/es/docs/Web/API/ParentNode/childElementCount	/es/docs/Web/API/Element/childElementCount
 /es/docs/Web/API/Position	/es/docs/Web/API/GeolocationPosition
 /es/docs/Web/API/Push_API/Using_the_Push_API	/es/docs/conflicting/Web/API/Push_API
 /es/docs/Web/API/RandomSource	/es/docs/conflicting/Web/API/Crypto/getRandomValues
diff --git a/files/es/_wikihistory.json b/files/es/_wikihistory.json
index 9cbfba64ba..a2a124aec6 100644
--- a/files/es/_wikihistory.json
+++ b/files/es/_wikihistory.json
@@ -5762,12 +5762,6 @@
       "tureey"
     ]
   },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T22:08:52.990Z",
-    "contributors": [
-      "tureey"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2020-10-15T21:27:47.909Z",
     "contributors": [
@@ -5877,12 +5871,6 @@
       "Kyuoraku"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2019-03-23T22:43:24.721Z",
-    "contributors": [
-      "joselix"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2019-03-23T22:32:44.383Z",
     "contributors": [
@@ -23743,5 +23731,17 @@
     "contributors": [
       "Diferno"
     ]
+  },
+  "conflicting/Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T22:08:52.990Z",
+    "contributors": [
+      "tureey"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2019-03-23T22:43:24.721Z",
+    "contributors": [
+      "joselix"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/es/web/api/node/namespaceuri/index.html b/files/es/conflicting/web/api/element/namespaceuri/index.html
index f24b54d713..e7dbb30dc9 100644
--- a/files/es/web/api/node/namespaceuri/index.html
+++ b/files/es/conflicting/web/api/element/namespaceuri/index.html
@@ -1,6 +1,6 @@
 ---
 title: Node.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: conflicting/Web/API/Element/namespaceURI
 tags:
   - API
   - DOM
@@ -9,6 +9,7 @@ tags:
   - Referencia
   - obsoleta
 translation_of: Web/API/Node/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <div>{{APIRef("DOM")}}{{obsolete_header}}</div>
 
diff --git a/files/es/web/api/parentnode/childelementcount/index.html b/files/es/web/api/element/childelementcount/index.html
index 3e8c834262..1fafbf97ad 100644
--- a/files/es/web/api/parentnode/childelementcount/index.html
+++ b/files/es/web/api/element/childelementcount/index.html
@@ -1,6 +1,6 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - API
   - ChildNode
@@ -9,6 +9,7 @@ tags:
   - childElement
   - children
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>
 <p>{{ APIRef("DOM") }}</p>
diff --git a/files/fr/_redirects.txt b/files/fr/_redirects.txt
index 29871858a3..eed9236e91 100644
--- a/files/fr/_redirects.txt
+++ b/files/fr/_redirects.txt
@@ -969,9 +969,9 @@
 /fr/docs/DOM/element.isSupported	/fr/docs/Web/API/Node/isSupported
 /fr/docs/DOM/element.lang	/fr/docs/Web/API/HTMLElement/lang
 /fr/docs/DOM/element.lastChild	/fr/docs/Web/API/Node/lastChild
-/fr/docs/DOM/element.localName	/fr/docs/Web/API/Node/localName
+/fr/docs/DOM/element.localName	/fr/docs/conflicting/Web/API/Element/localName
 /fr/docs/DOM/element.name	/fr/docs/conflicting/Web/API
-/fr/docs/DOM/element.namespaceURI	/fr/docs/Web/API/Node/namespaceURI
+/fr/docs/DOM/element.namespaceURI	/fr/docs/conflicting/Web/API/Element/namespaceURI
 /fr/docs/DOM/element.nextSibling	/fr/docs/Web/API/Node/nextSibling
 /fr/docs/DOM/element.nodeName	/fr/docs/Web/API/Node/nodeName
 /fr/docs/DOM/element.nodeType	/fr/docs/Web/API/Node/nodeType
@@ -999,7 +999,7 @@
 /fr/docs/DOM/element.onscroll	/fr/docs/Web/API/GlobalEventHandlers/onscroll
 /fr/docs/DOM/element.ownerDocument	/fr/docs/Web/API/Node/ownerDocument
 /fr/docs/DOM/element.parentNode	/fr/docs/Web/API/Node/parentNode
-/fr/docs/DOM/element.prefix	/fr/docs/Web/API/Node/prefix
+/fr/docs/DOM/element.prefix	/fr/docs/conflicting/Web/API/Element/prefix
 /fr/docs/DOM/element.previousSibling	/fr/docs/Web/API/Node/previousSibling
 /fr/docs/DOM/element.removeAttribute	/fr/docs/Web/API/Element/removeAttribute
 /fr/docs/DOM/element.removeAttributeNS	/fr/docs/Web/API/Element/removeAttributeNS
@@ -1128,9 +1128,9 @@
 /fr/docs/DOM:element.isSupported	/fr/docs/Web/API/Node/isSupported
 /fr/docs/DOM:element.lang	/fr/docs/Web/API/HTMLElement/lang
 /fr/docs/DOM:element.lastChild	/fr/docs/Web/API/Node/lastChild
-/fr/docs/DOM:element.localName	/fr/docs/Web/API/Node/localName
+/fr/docs/DOM:element.localName	/fr/docs/conflicting/Web/API/Element/localName
 /fr/docs/DOM:element.name	/fr/docs/conflicting/Web/API
-/fr/docs/DOM:element.namespaceURI	/fr/docs/Web/API/Node/namespaceURI
+/fr/docs/DOM:element.namespaceURI	/fr/docs/conflicting/Web/API/Element/namespaceURI
 /fr/docs/DOM:element.nextSibling	/fr/docs/Web/API/Node/nextSibling
 /fr/docs/DOM:element.nodeName	/fr/docs/Web/API/Node/nodeName
 /fr/docs/DOM:element.nodeType	/fr/docs/Web/API/Node/nodeType
@@ -1158,7 +1158,7 @@
 /fr/docs/DOM:element.onscroll	/fr/docs/Web/API/GlobalEventHandlers/onscroll
 /fr/docs/DOM:element.ownerDocument	/fr/docs/Web/API/Node/ownerDocument
 /fr/docs/DOM:element.parentNode	/fr/docs/Web/API/Node/parentNode
-/fr/docs/DOM:element.prefix	/fr/docs/Web/API/Node/prefix
+/fr/docs/DOM:element.prefix	/fr/docs/conflicting/Web/API/Element/prefix
 /fr/docs/DOM:element.previousSibling	/fr/docs/Web/API/Node/previousSibling
 /fr/docs/DOM:element.removeAttribute	/fr/docs/Web/API/Element/removeAttribute
 /fr/docs/DOM:element.removeAttributeNS	/fr/docs/Web/API/Element/removeAttributeNS
@@ -3703,9 +3703,9 @@
 /fr/docs/Web/API/Element.isSupported	/fr/docs/Web/API/Node/isSupported
 /fr/docs/Web/API/Element.lang	/fr/docs/Web/API/HTMLElement/lang
 /fr/docs/Web/API/Element.lastChild	/fr/docs/Web/API/Node/lastChild
-/fr/docs/Web/API/Element.localName	/fr/docs/Web/API/Node/localName
+/fr/docs/Web/API/Element.localName	/fr/docs/conflicting/Web/API/Element/localName
 /fr/docs/Web/API/Element.name	/fr/docs/conflicting/Web/API
-/fr/docs/Web/API/Element.namespaceURI	/fr/docs/Web/API/Node/namespaceURI
+/fr/docs/Web/API/Element.namespaceURI	/fr/docs/conflicting/Web/API/Element/namespaceURI
 /fr/docs/Web/API/Element.nodeName	/fr/docs/Web/API/Node/nodeName
 /fr/docs/Web/API/Element.nodeType	/fr/docs/Web/API/Node/nodeType
 /fr/docs/Web/API/Element.normalize	/fr/docs/Web/API/Node/normalize
@@ -3731,7 +3731,7 @@
 /fr/docs/Web/API/Element.onscroll	/fr/docs/Web/API/GlobalEventHandlers/onscroll
 /fr/docs/Web/API/Element.outerHTML	/fr/docs/Web/API/Element/outerHTML
 /fr/docs/Web/API/Element.parentNode	/fr/docs/Web/API/Node/parentNode
-/fr/docs/Web/API/Element.prefix	/fr/docs/Web/API/Node/prefix
+/fr/docs/Web/API/Element.prefix	/fr/docs/conflicting/Web/API/Element/prefix
 /fr/docs/Web/API/Element.querySelector	/fr/docs/Web/API/Element/querySelector
 /fr/docs/Web/API/Element.querySelectorAll	/fr/docs/Web/API/Element/querySelectorAll
 /fr/docs/Web/API/Element.removeAttribute	/fr/docs/Web/API/Element/removeAttribute
@@ -3791,8 +3791,12 @@
 /fr/docs/Web/API/Node.contains	/fr/docs/Web/API/Node/contains
 /fr/docs/Web/API/Node/baseURIObject	/fr/docs/conflicting/Web/API/Node
 /fr/docs/Web/API/Node/innerText	/fr/docs/Web/API/HTMLElement/innerText
+/fr/docs/Web/API/Node/localName	/fr/docs/conflicting/Web/API/Element/localName
+/fr/docs/Web/API/Node/namespaceURI	/fr/docs/conflicting/Web/API/Element/namespaceURI
 /fr/docs/Web/API/Node/nodePrincipal	/fr/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
+/fr/docs/Web/API/Node/prefix	/fr/docs/conflicting/Web/API/Element/prefix
 /fr/docs/Web/API/Node/rootNode	/fr/docs/conflicting/Web/API/Node/getRootNode
+/fr/docs/Web/API/ParentNode/childElementCount	/fr/docs/Web/API/Element/childElementCount
 /fr/docs/Web/API/PasswordCredential/additionalData	/fr/docs/conflicting/Web/API/PasswordCredential
 /fr/docs/Web/API/PasswordCredential/idName	/fr/docs/conflicting/Web/API/PasswordCredential_cbf7b306e83a3f58ff06bccf89637c12
 /fr/docs/Web/API/PasswordCredential/passwordName	/fr/docs/conflicting/Web/API/PasswordCredential_bc57d5dfa87242b4fb83497887124f41
diff --git a/files/fr/_wikihistory.json b/files/fr/_wikihistory.json
index fa52ea1c18..1ca2647bff 100644
--- a/files/fr/_wikihistory.json
+++ b/files/fr/_wikihistory.json
@@ -11342,16 +11342,6 @@
       "BenoitL"
     ]
   },
-  "Web/API/Node/localName": {
-    "modified": "2020-10-15T21:17:55.986Z",
-    "contributors": [
-      "loella16",
-      "fscholz",
-      "teoli",
-      "khalid32",
-      "BenoitL"
-    ]
-  },
   "Web/API/Node/lookupNamespaceURI": {
     "modified": "2019-03-18T21:39:45.898Z",
     "contributors": [
@@ -11364,16 +11354,6 @@
       "loella16"
     ]
   },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2020-10-15T21:17:54.747Z",
-    "contributors": [
-      "loella16",
-      "fscholz",
-      "teoli",
-      "khalid32",
-      "BenoitL"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2020-10-15T21:15:37.751Z",
     "contributors": [
@@ -11471,16 +11451,6 @@
       "BenoitL"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2020-10-15T21:17:23.469Z",
-    "contributors": [
-      "loella16",
-      "fscholz",
-      "teoli",
-      "soumya",
-      "BenoitL"
-    ]
-  },
   "Web/API/Node/previousSibling": {
     "modified": "2020-10-15T21:15:38.177Z",
     "contributors": [
@@ -11730,15 +11700,6 @@
       "ayshiff"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-15T21:37:50.913Z",
-    "contributors": [
-      "abvll",
-      "loella16",
-      "xavierartot",
-      "vava"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2020-10-15T21:43:07.206Z",
     "contributors": [
@@ -45342,5 +45303,44 @@
       "SphinxKnight",
       "RolandGautier"
     ]
+  },
+  "conflicting/Web/API/Element/localName": {
+    "modified": "2020-10-15T21:17:55.986Z",
+    "contributors": [
+      "loella16",
+      "fscholz",
+      "teoli",
+      "khalid32",
+      "BenoitL"
+    ]
+  },
+  "conflicting/Web/API/Element/namespaceURI": {
+    "modified": "2020-10-15T21:17:54.747Z",
+    "contributors": [
+      "loella16",
+      "fscholz",
+      "teoli",
+      "khalid32",
+      "BenoitL"
+    ]
+  },
+  "conflicting/Web/API/Element/prefix": {
+    "modified": "2020-10-15T21:17:23.469Z",
+    "contributors": [
+      "loella16",
+      "fscholz",
+      "teoli",
+      "soumya",
+      "BenoitL"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-15T21:37:50.913Z",
+    "contributors": [
+      "abvll",
+      "loella16",
+      "xavierartot",
+      "vava"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/fr/web/api/node/localname/index.html b/files/fr/conflicting/web/api/element/localname/index.html
index ea563ffab1..408d2ae195 100644
--- a/files/fr/web/api/node/localname/index.html
+++ b/files/fr/conflicting/web/api/element/localname/index.html
@@ -1,6 +1,6 @@
 ---
 title: element.localName
-slug: Web/API/Node/localName
+slug: conflicting/Web/API/Element/localName
 tags:
   - API
   - DOM
@@ -8,6 +8,7 @@ tags:
   - Nom local
   - Propriétés
 translation_of: Web/API/Node/localName
+original_slug: Web/API/Node/localName
 ---
 <p>{{APIRef("DOM")}}{{obsolete_header}}</p>
 
diff --git a/files/fr/web/api/node/namespaceuri/index.html b/files/fr/conflicting/web/api/element/namespaceuri/index.html
index d185da9057..74eff4804f 100644
--- a/files/fr/web/api/node/namespaceuri/index.html
+++ b/files/fr/conflicting/web/api/element/namespaceuri/index.html
@@ -1,12 +1,13 @@
 ---
 title: element.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: conflicting/Web/API/Element/namespaceURI
 tags:
   - API
   - DOM
   - Noeuds
   - Propriétés
 translation_of: Web/API/Node/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <p>{{APIRef("DOM")}}{{obsolete_header}}</p>
 
diff --git a/files/fr/web/api/node/prefix/index.html b/files/fr/conflicting/web/api/element/prefix/index.html
index 2ab6f61b73..b1e2946cf5 100644
--- a/files/fr/web/api/node/prefix/index.html
+++ b/files/fr/conflicting/web/api/element/prefix/index.html
@@ -1,6 +1,6 @@
 ---
 title: element.prefix
-slug: Web/API/Node/prefix
+slug: conflicting/Web/API/Element/prefix
 tags:
   - API
   - DOM
@@ -8,6 +8,7 @@ tags:
   - Propriétés
   - Préfixe
 translation_of: Web/API/Node/prefix
+original_slug: Web/API/Node/prefix
 ---
 <p>{{APIRef("DOM")}}{{obsolete_header}}</p>
 
diff --git a/files/fr/web/api/parentnode/childelementcount/index.html b/files/fr/web/api/element/childelementcount/index.html
index df243c5b32..02b2f82a5b 100644
--- a/files/fr/web/api/parentnode/childelementcount/index.html
+++ b/files/fr/web/api/element/childelementcount/index.html
@@ -1,6 +1,6 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - API
   - DOM
@@ -9,6 +9,7 @@ tags:
   - Reference
   - parent
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>
 <p>{{APIRef("DOM") }}</p>
diff --git a/files/it/_redirects.txt b/files/it/_redirects.txt
index 2e2a1555d1..8845650b84 100644
--- a/files/it/_redirects.txt
+++ b/files/it/_redirects.txt
@@ -100,7 +100,7 @@
 /it/docs/DOM/document.importNode	/it/docs/Web/API/Document/importNode
 /it/docs/DOM/document.lastModified	/it/docs/Web/API/Document/lastModified
 /it/docs/DOM/document.links	/it/docs/Web/API/Document/links
-/it/docs/DOM/document.namespaceURI	/it/docs/Web/API/Node/namespaceURI
+/it/docs/DOM/document.namespaceURI	/it/docs/Web/API/Element/namespaceURI
 /it/docs/DOM/document.open	/it/docs/Web/API/Document/open
 /it/docs/DOM/document.referrer	/it/docs/Web/API/Document/referrer
 /it/docs/DOM/document.styleSheets	/it/docs/Web/API/Document/styleSheets
@@ -118,7 +118,7 @@
 /it/docs/DOM/element.nodeType	/it/docs/Web/API/Node/nodeType
 /it/docs/DOM/element.nodeValue	/it/docs/Web/API/Node/nodeValue
 /it/docs/DOM/element.parentNode	/it/docs/Web/API/Node/parentNode
-/it/docs/DOM/element.prefix	/it/docs/Web/API/Node/prefix
+/it/docs/DOM/element.prefix	/it/docs/Web/API/Element/prefix
 /it/docs/DOM/element.textContent	/it/docs/Web/API/Node/textContent
 /it/docs/DOM/event	/it/docs/Web/API/Event
 /it/docs/DOM/event.altKey	/it/docs/Web/API/MouseEvent/altKey
@@ -246,7 +246,7 @@
 /it/docs/DOM:document.importNode	/it/docs/Web/API/Document/importNode
 /it/docs/DOM:document.lastModified	/it/docs/Web/API/Document/lastModified
 /it/docs/DOM:document.links	/it/docs/Web/API/Document/links
-/it/docs/DOM:document.namespaceURI	/it/docs/Web/API/Node/namespaceURI
+/it/docs/DOM:document.namespaceURI	/it/docs/Web/API/Element/namespaceURI
 /it/docs/DOM:document.open	/it/docs/Web/API/Document/open
 /it/docs/DOM:document.referrer	/it/docs/Web/API/Document/referrer
 /it/docs/DOM:document.styleSheets	/it/docs/Web/API/Document/styleSheets
@@ -264,7 +264,7 @@
 /it/docs/DOM:element.nodeType	/it/docs/Web/API/Node/nodeType
 /it/docs/DOM:element.nodeValue	/it/docs/Web/API/Node/nodeValue
 /it/docs/DOM:element.parentNode	/it/docs/Web/API/Node/parentNode
-/it/docs/DOM:element.prefix	/it/docs/Web/API/Node/prefix
+/it/docs/DOM:element.prefix	/it/docs/Web/API/Element/prefix
 /it/docs/DOM:element.textContent	/it/docs/Web/API/Node/textContent
 /it/docs/DOM:event	/it/docs/Web/API/Event
 /it/docs/DOM:event.altKey	/it/docs/Web/API/MouseEvent/altKey
@@ -491,7 +491,7 @@
 /it/docs/Usare_le_URL_nella_proprietà_cursor	/it/docs/Web/CSS/CSS_Basic_User_Interface/Using_URL_values_for_the_cursor_property
 /it/docs/Usare_valori_URL_per_la_proprietà_cursor	/it/docs/Web/CSS/CSS_Basic_User_Interface/Using_URL_values_for_the_cursor_property
 /it/docs/Web/API/Document/firstChild	/it/docs/conflicting/Web/API/Node/firstChild
-/it/docs/Web/API/Document/namespaceURI	/it/docs/Web/API/Node/namespaceURI
+/it/docs/Web/API/Document/namespaceURI	/it/docs/Web/API/Element/namespaceURI
 /it/docs/Web/API/DocumentOrShadowRoot/styleSheets	/it/docs/Web/API/Document/styleSheets
 /it/docs/Web/API/Document_Object_Model/Introduzione	/it/docs/Web/API/Document_Object_Model/Introduction
 /it/docs/Web/API/Element.getElementsByTagName	/it/docs/Web/API/Element/getElementsByTagName
@@ -503,7 +503,6 @@
 /it/docs/Web/API/Element/nodeType	/it/docs/Web/API/Node/nodeType
 /it/docs/Web/API/Element/nodeValue	/it/docs/Web/API/Node/nodeValue
 /it/docs/Web/API/Element/parentNode	/it/docs/Web/API/Node/parentNode
-/it/docs/Web/API/Element/prefix	/it/docs/Web/API/Node/prefix
 /it/docs/Web/API/Element/textContent	/it/docs/Web/API/Node/textContent
 /it/docs/Web/API/Event/altKey	/it/docs/Web/API/MouseEvent/altKey
 /it/docs/Web/API/Event/button	/it/docs/Web/API/MouseEvent/button
@@ -522,6 +521,8 @@
 /it/docs/Web/API/Geolocation/Using_geolocation	/it/docs/Web/API/Geolocation_API
 /it/docs/Web/API/HTMLHyperlinkElementUtils	/it/docs/orphaned/Web/API/HTMLHyperlinkElementUtils
 /it/docs/Web/API/Navigator.cookieEnabled	/it/docs/Web/API/Navigator/cookieEnabled
+/it/docs/Web/API/Node/namespaceURI	/it/docs/Web/API/Element/namespaceURI
+/it/docs/Web/API/Node/prefix	/it/docs/Web/API/Element/prefix
 /it/docs/Web/API/Position	/it/docs/Web/API/GeolocationPosition
 /it/docs/Web/API/URLUtils	/it/docs/orphaned/Web/API/HTMLHyperlinkElementUtils
 /it/docs/Web/API/WindowTimers	/it/docs/conflicting/Web/API/WindowOrWorkerGlobalScope
diff --git a/files/it/_wikihistory.json b/files/it/_wikihistory.json
index 0f60d2b45a..786b9a17e4 100644
--- a/files/it/_wikihistory.json
+++ b/files/it/_wikihistory.json
@@ -5144,14 +5144,6 @@
       "Federico"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2019-03-23T23:47:01.925Z",
-    "contributors": [
-      "teoli",
-      "jsx",
-      "Federico"
-    ]
-  },
   "Web/API/Node/textContent": {
     "modified": "2020-10-15T21:17:56.553Z",
     "contributors": [
@@ -5840,13 +5832,6 @@
       "Federico"
     ]
   },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T23:45:08.038Z",
-    "contributors": [
-      "teoli",
-      "Federico"
-    ]
-  },
   "Web/API/MouseEvent/altKey": {
     "modified": "2019-03-23T23:46:44.336Z",
     "contributors": [
@@ -5994,5 +5979,20 @@
       "khalid32",
       "Federico"
     ]
+  },
+  "Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T23:45:08.038Z",
+    "contributors": [
+      "teoli",
+      "Federico"
+    ]
+  },
+  "Web/API/Element/prefix": {
+    "modified": "2019-03-23T23:47:01.925Z",
+    "contributors": [
+      "teoli",
+      "jsx",
+      "Federico"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/it/web/api/node/namespaceuri/index.html b/files/it/web/api/element/namespaceuri/index.html
index 74e1f8092f..1dad4c71d7 100644
--- a/files/it/web/api/node/namespaceuri/index.html
+++ b/files/it/web/api/element/namespaceuri/index.html
@@ -1,9 +1,9 @@
 ---
 title: document.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: Web/API/Element/namespaceURI
 translation_of: Web/API/Node/namespaceURI
 translation_of_original: Web/API/Document/namespaceURI
-original_slug: Web/API/Document/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <div>{{APIRef("DOM")}}</div>
 
diff --git a/files/it/web/api/node/prefix/index.html b/files/it/web/api/element/prefix/index.html
index fd7646c066..c7ee67ac36 100644
--- a/files/it/web/api/node/prefix/index.html
+++ b/files/it/web/api/element/prefix/index.html
@@ -1,13 +1,13 @@
 ---
 title: element.prefix
-slug: Web/API/Node/prefix
+slug: Web/API/Element/prefix
 tags:
   - DOM
   - Gecko
   - Reference_del_DOM_di_Gecko
   - Tutte_le_categorie
 translation_of: Web/API/Node/prefix
-original_slug: Web/API/Element/prefix
+original_slug: Web/API/Node/prefix
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id="Sommario" name="Sommario">Sommario</h3>
diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index 9eace6107e..dc3cf276d5 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -1362,8 +1362,8 @@
 /ja/docs/DOM/Node.isSameNode	/ja/docs/Web/API/Node/isSameNode
 /ja/docs/DOM/Node.isSupported	/ja/docs/Web/API/Node/isSupported
 /ja/docs/DOM/Node.lastChild	/ja/docs/Web/API/Node/lastChild
-/ja/docs/DOM/Node.localName	/ja/docs/Web/API/Node/localName
-/ja/docs/DOM/Node.namespaceURI	/ja/docs/Web/API/Node/namespaceURI
+/ja/docs/DOM/Node.localName	/ja/docs/conflicting/Web/API/Element/localName
+/ja/docs/DOM/Node.namespaceURI	/ja/docs/Web/API/Element/namespaceURI
 /ja/docs/DOM/Node.nextSibling	/ja/docs/Web/API/Node/nextSibling
 /ja/docs/DOM/Node.nodeName	/ja/docs/Web/API/Node/nodeName
 /ja/docs/DOM/Node.nodePrincipal	/ja/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
@@ -1372,7 +1372,7 @@
 /ja/docs/DOM/Node.normalize	/ja/docs/Web/API/Node/normalize
 /ja/docs/DOM/Node.ownerDocument	/ja/docs/Web/API/Node/ownerDocument
 /ja/docs/DOM/Node.parentNode	/ja/docs/Web/API/Node/parentNode
-/ja/docs/DOM/Node.prefix	/ja/docs/Web/API/Node/prefix
+/ja/docs/DOM/Node.prefix	/ja/docs/conflicting/Web/API/Element/prefix
 /ja/docs/DOM/Node.previousSibling	/ja/docs/Web/API/Node/previousSibling
 /ja/docs/DOM/Node.removeChild	/ja/docs/Web/API/Node/removeChild
 /ja/docs/DOM/Node.replaceChild	/ja/docs/Web/API/Node/replaceChild
@@ -1508,9 +1508,9 @@
 /ja/docs/DOM/element.lang	/ja/docs/Web/API/HTMLElement/lang
 /ja/docs/DOM/element.lastChild	/ja/docs/Web/API/Node/lastChild
 /ja/docs/DOM/element.length	/ja/docs/Web/API/NodeList/length
-/ja/docs/DOM/element.localName	/ja/docs/Web/API/Node/localName
+/ja/docs/DOM/element.localName	/ja/docs/conflicting/Web/API/Element/localName
 /ja/docs/DOM/element.name	/ja/docs/conflicting/Web/API
-/ja/docs/DOM/element.namespaceURI	/ja/docs/Web/API/Node/namespaceURI
+/ja/docs/DOM/element.namespaceURI	/ja/docs/Web/API/Element/namespaceURI
 /ja/docs/DOM/element.nextSibling	/ja/docs/Web/API/Node/nextSibling
 /ja/docs/DOM/element.nodeName	/ja/docs/Web/API/Node/nodeName
 /ja/docs/DOM/element.nodeType	/ja/docs/Web/API/Node/nodeType
@@ -1525,7 +1525,7 @@
 /ja/docs/DOM/element.onpaste	/ja/docs/Web/API/HTMLElement/onpaste
 /ja/docs/DOM/element.ownerDocument	/ja/docs/Web/API/Node/ownerDocument
 /ja/docs/DOM/element.parentNode	/ja/docs/Web/API/Node/parentNode
-/ja/docs/DOM/element.prefix	/ja/docs/Web/API/Node/prefix
+/ja/docs/DOM/element.prefix	/ja/docs/conflicting/Web/API/Element/prefix
 /ja/docs/DOM/element.previousSibling	/ja/docs/Web/API/Node/previousSibling
 /ja/docs/DOM/element.querySelectorAll	/ja/docs/Web/API/Element/querySelectorAll
 /ja/docs/DOM/element.removeAttribute	/ja/docs/Web/API/Element/removeAttribute
@@ -1812,8 +1812,8 @@
 /ja/docs/DOM:element.lang	/ja/docs/Web/API/HTMLElement/lang
 /ja/docs/DOM:element.lastChild	/ja/docs/Web/API/Node/lastChild
 /ja/docs/DOM:element.length	/ja/docs/Web/API/NodeList/length
-/ja/docs/DOM:element.localName	/ja/docs/Web/API/Node/localName
-/ja/docs/DOM:element.namespaceURI	/ja/docs/Web/API/Node/namespaceURI
+/ja/docs/DOM:element.localName	/ja/docs/conflicting/Web/API/Element/localName
+/ja/docs/DOM:element.namespaceURI	/ja/docs/Web/API/Element/namespaceURI
 /ja/docs/DOM:element.nextSibling	/ja/docs/Web/API/Node/nextSibling
 /ja/docs/DOM:element.nodeName	/ja/docs/Web/API/Node/nodeName
 /ja/docs/DOM:element.nodeType	/ja/docs/Web/API/Node/nodeType
@@ -1823,7 +1823,7 @@
 /ja/docs/DOM:element.onpaste	/ja/docs/Web/API/HTMLElement/onpaste
 /ja/docs/DOM:element.ownerDocument	/ja/docs/Web/API/Node/ownerDocument
 /ja/docs/DOM:element.parentNode	/ja/docs/Web/API/Node/parentNode
-/ja/docs/DOM:element.prefix	/ja/docs/Web/API/Node/prefix
+/ja/docs/DOM:element.prefix	/ja/docs/conflicting/Web/API/Element/prefix
 /ja/docs/DOM:element.previousSibling	/ja/docs/Web/API/Node/previousSibling
 /ja/docs/DOM:element.removeAttribute	/ja/docs/Web/API/Element/removeAttribute
 /ja/docs/DOM:element.removeAttributeNS	/ja/docs/Web/API/Element/removeAttributeNS
@@ -3895,8 +3895,8 @@
 /ja/docs/Web/API/Node.isSameNode	/ja/docs/Web/API/Node/isSameNode
 /ja/docs/Web/API/Node.isSupported	/ja/docs/Web/API/Node/isSupported
 /ja/docs/Web/API/Node.lastChild	/ja/docs/Web/API/Node/lastChild
-/ja/docs/Web/API/Node.localName	/ja/docs/Web/API/Node/localName
-/ja/docs/Web/API/Node.namespaceURI	/ja/docs/Web/API/Node/namespaceURI
+/ja/docs/Web/API/Node.localName	/ja/docs/conflicting/Web/API/Element/localName
+/ja/docs/Web/API/Node.namespaceURI	/ja/docs/Web/API/Element/namespaceURI
 /ja/docs/Web/API/Node.nextSibling	/ja/docs/Web/API/Node/nextSibling
 /ja/docs/Web/API/Node.nodeName	/ja/docs/Web/API/Node/nodeName
 /ja/docs/Web/API/Node.nodePrincipal	/ja/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
@@ -3906,7 +3906,7 @@
 /ja/docs/Web/API/Node.ownerDocument	/ja/docs/Web/API/Node/ownerDocument
 /ja/docs/Web/API/Node.parentElement	/ja/docs/Web/API/Node/parentElement
 /ja/docs/Web/API/Node.parentNode	/ja/docs/Web/API/Node/parentNode
-/ja/docs/Web/API/Node.prefix	/ja/docs/Web/API/Node/prefix
+/ja/docs/Web/API/Node.prefix	/ja/docs/conflicting/Web/API/Element/prefix
 /ja/docs/Web/API/Node.previousSibling	/ja/docs/Web/API/Node/previousSibling
 /ja/docs/Web/API/Node.removeChild	/ja/docs/Web/API/Node/removeChild
 /ja/docs/Web/API/Node.replaceChild	/ja/docs/Web/API/Node/replaceChild
@@ -3915,9 +3915,13 @@
 /ja/docs/Web/API/Node/cloneNode-old	/ja/docs/Web/API/Node/getUserData
 /ja/docs/Web/API/Node/firstChild-temp	/ja/docs/Web/API/Node/firstChild
 /ja/docs/Web/API/Node/innerText	/ja/docs/Web/API/HTMLElement/innerText
+/ja/docs/Web/API/Node/localName	/ja/docs/conflicting/Web/API/Element/localName
+/ja/docs/Web/API/Node/namespaceURI	/ja/docs/Web/API/Element/namespaceURI
 /ja/docs/Web/API/Node/nodePrincipal	/ja/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
+/ja/docs/Web/API/Node/prefix	/ja/docs/conflicting/Web/API/Element/prefix
 /ja/docs/Web/API/NodeList.item	/ja/docs/Web/API/NodeList/item
 /ja/docs/Web/API/NonDocumentTypeChildNode	/ja/docs/conflicting/Web/API/Element_861159909c20acebf8e506c3bb0e2f7e
+/ja/docs/Web/API/ParentNode/childElementCount	/ja/docs/Web/API/Element/childElementCount
 /ja/docs/Web/API/Position	/ja/docs/Web/API/GeolocationPosition
 /ja/docs/Web/API/PositionError	/ja/docs/Web/API/GeolocationPositionError
 /ja/docs/Web/API/Push_API/Using_the_Push_API	/ja/docs/Web/API/Push_API
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index 0cff7990b3..7a4ab0de94 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -18635,27 +18635,6 @@
       "Ryotakano"
     ]
   },
-  "Web/API/Node/localName": {
-    "modified": "2019-03-24T00:02:06.649Z",
-    "contributors": [
-      "fscholz",
-      "khalid32",
-      "ethertank",
-      "Gomita",
-      "Mgjbot",
-      "Taken"
-    ]
-  },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T23:47:03.400Z",
-    "contributors": [
-      "fscholz",
-      "jsx",
-      "ethertank",
-      "Mgjbot",
-      "Taken"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2020-10-15T21:15:36.852Z",
     "contributors": [
@@ -18738,19 +18717,6 @@
       "Kohei"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2020-10-15T21:16:27.942Z",
-    "contributors": [
-      "YujiSoftware",
-      "SphinxKnight",
-      "fscholz",
-      "khalid32",
-      "ethertank",
-      "Marsf",
-      "Mgjbot",
-      "Okome"
-    ]
-  },
   "Web/API/Node/previousSibling": {
     "modified": "2019-03-23T23:53:11.427Z",
     "contributors": [
@@ -19129,13 +19095,6 @@
       "isdh"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-29T21:17:58.548Z",
-    "contributors": [
-      "yumetodo",
-      "Marsf"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2020-11-23T04:45:58.549Z",
     "contributors": [
@@ -53496,5 +53455,46 @@
     "contributors": [
       "mfuji09"
     ]
+  },
+  "conflicting/Web/API/Element/localName": {
+    "modified": "2019-03-24T00:02:06.649Z",
+    "contributors": [
+      "fscholz",
+      "khalid32",
+      "ethertank",
+      "Gomita",
+      "Mgjbot",
+      "Taken"
+    ]
+  },
+  "Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T23:47:03.400Z",
+    "contributors": [
+      "fscholz",
+      "jsx",
+      "ethertank",
+      "Mgjbot",
+      "Taken"
+    ]
+  },
+  "conflicting/Web/API/Element/prefix": {
+    "modified": "2020-10-15T21:16:27.942Z",
+    "contributors": [
+      "YujiSoftware",
+      "SphinxKnight",
+      "fscholz",
+      "khalid32",
+      "ethertank",
+      "Marsf",
+      "Mgjbot",
+      "Okome"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-29T21:17:58.548Z",
+    "contributors": [
+      "yumetodo",
+      "Marsf"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/ja/web/api/node/localname/index.html b/files/ja/conflicting/web/api/element/localname/index.html
index 01ba8fbba6..e8849609d9 100644
--- a/files/ja/web/api/node/localname/index.html
+++ b/files/ja/conflicting/web/api/element/localname/index.html
@@ -1,6 +1,6 @@
 ---
 title: Node.localName
-slug: Web/API/Node/localName
+slug: conflicting/Web/API/Element/localName
 tags:
   - DOM
   - Gecko
@@ -8,6 +8,7 @@ tags:
   - Node
   - 要更新
 translation_of: Web/API/Node/localName
+original_slug: Web/API/Node/localName
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id=".E6.A6.82.E8.A6.81" name=".E6.A6.82.E8.A6.81">概要</h3>
diff --git a/files/ja/web/api/node/prefix/index.html b/files/ja/conflicting/web/api/element/prefix/index.html
index 40db95ab12..1b31545519 100644
--- a/files/ja/web/api/node/prefix/index.html
+++ b/files/ja/conflicting/web/api/element/prefix/index.html
@@ -1,11 +1,12 @@
 ---
 title: Node.prefix
-slug: Web/API/Node/prefix
+slug: conflicting/Web/API/Element/prefix
 tags:
   - DOM
   - Gecko
   - Node
 translation_of: Web/API/Node/prefix
+original_slug: Web/API/Node/prefix
 ---
 <div>{{ApiRef}}</div>
 
diff --git a/files/ja/web/api/parentnode/childelementcount/index.html b/files/ja/web/api/element/childelementcount/index.html
index 6e1a4b7ea7..a06357d366 100644
--- a/files/ja/web/api/parentnode/childelementcount/index.html
+++ b/files/ja/web/api/element/childelementcount/index.html
@@ -1,12 +1,13 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - API
   - DOM
   - ParentNode
   - Property
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>{{ APIRef("DOM") }}</div>
 
diff --git a/files/ja/web/api/node/namespaceuri/index.html b/files/ja/web/api/element/namespaceuri/index.html
index e074636d50..476f51c8b1 100644
--- a/files/ja/web/api/node/namespaceuri/index.html
+++ b/files/ja/web/api/element/namespaceuri/index.html
@@ -1,12 +1,13 @@
 ---
 title: Node.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: Web/API/Element/namespaceURI
 tags:
   - DOM
   - Gecko
   - Gecko DOM Reference
   - 要更新
 translation_of: Web/API/Node/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id=".E6.A6.82.E8.A6.81" name=".E6.A6.82.E8.A6.81">概要</h3>
diff --git a/files/ko/_redirects.txt b/files/ko/_redirects.txt
index 1f8d05cf00..92b8107451 100644
--- a/files/ko/_redirects.txt
+++ b/files/ko/_redirects.txt
@@ -656,6 +656,7 @@
 /ko/docs/Web/API/NetworkInformation/connection	/ko/docs/Web/API/Navigator/connection
 /ko/docs/Web/API/Node/innerText	/ko/docs/Web/API/HTMLElement/innerText
 /ko/docs/Web/API/Notification.permission	/ko/docs/Web/API/Notification/permission
+/ko/docs/Web/API/ParentNode/childElementCount	/ko/docs/Web/API/Element/childElementCount
 /ko/docs/Web/API/Position	/ko/docs/Web/API/GeolocationPosition
 /ko/docs/Web/API/RandomSource	/ko/docs/Web/API/Crypto/getRandomValues
 /ko/docs/Web/API/RandomSource/getRandomValues	/ko/docs/Web/API/Crypto/getRandomValues
diff --git a/files/ko/_wikihistory.json b/files/ko/_wikihistory.json
index cb68777e6f..499ebbef7b 100644
--- a/files/ko/_wikihistory.json
+++ b/files/ko/_wikihistory.json
@@ -5183,12 +5183,6 @@
       "ChanMyeong"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-24T00:56:18.797Z",
-    "contributors": [
-      "zzoPark"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2020-10-15T22:08:09.823Z",
     "contributors": [
@@ -18704,5 +18698,11 @@
       "DeadIntegral",
       "Sheppy"
     ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-24T00:56:18.797Z",
+    "contributors": [
+      "zzoPark"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/ko/web/api/parentnode/childelementcount/index.html b/files/ko/web/api/element/childelementcount/index.html
index 665c417512..a3664b9cc4 100644
--- a/files/ko/web/api/parentnode/childelementcount/index.html
+++ b/files/ko/web/api/element/childelementcount/index.html
@@ -1,6 +1,6 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - API
   - DOM
@@ -8,6 +8,7 @@ tags:
   - Property
   - Reference
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>{{ APIRef("DOM") }}</div>
 
diff --git a/files/pl/_redirects.txt b/files/pl/_redirects.txt
index d6d5ec42e2..25b1412960 100644
--- a/files/pl/_redirects.txt
+++ b/files/pl/_redirects.txt
@@ -398,9 +398,9 @@
 /pl/docs/DOM/element.lang	/pl/docs/Web/API/HTMLElement/lang
 /pl/docs/DOM/element.lastChild	/pl/docs/Web/API/Node/lastChild
 /pl/docs/DOM/element.length	/pl/docs/Web/API/NodeList/length
-/pl/docs/DOM/element.localName	/pl/docs/Web/API/Node/localName
+/pl/docs/DOM/element.localName	/pl/docs/Web/API/Element/localName
 /pl/docs/DOM/element.name	/pl/docs/conflicting/Web/API
-/pl/docs/DOM/element.namespaceURI	/pl/docs/Web/API/Node/namespaceURI
+/pl/docs/DOM/element.namespaceURI	/pl/docs/Web/API/Element/namespaceURI
 /pl/docs/DOM/element.nextSibling	/pl/docs/Web/API/Node/nextSibling
 /pl/docs/DOM/element.nodeName	/pl/docs/Web/API/Node/nodeName
 /pl/docs/DOM/element.nodeType	/pl/docs/Web/API/Node/nodeType
@@ -418,7 +418,7 @@
 /pl/docs/DOM/element.onmousemove	/pl/docs/Web/API/GlobalEventHandlers/onmousemove
 /pl/docs/DOM/element.ownerDocument	/pl/docs/Web/API/Node/ownerDocument
 /pl/docs/DOM/element.parentNode	/pl/docs/Web/API/Node/parentNode
-/pl/docs/DOM/element.prefix	/pl/docs/Web/API/Node/prefix
+/pl/docs/DOM/element.prefix	/pl/docs/Web/API/Element/prefix
 /pl/docs/DOM/element.previousSibling	/pl/docs/Web/API/Node/previousSibling
 /pl/docs/DOM/element.removeAttribute	/pl/docs/Web/API/Element/removeAttribute
 /pl/docs/DOM/element.removeAttributeNS	/pl/docs/Web/API/Element/removeAttributeNS
@@ -646,9 +646,9 @@
 /pl/docs/DOM:element.lang	/pl/docs/Web/API/HTMLElement/lang
 /pl/docs/DOM:element.lastChild	/pl/docs/Web/API/Node/lastChild
 /pl/docs/DOM:element.length	/pl/docs/Web/API/NodeList/length
-/pl/docs/DOM:element.localName	/pl/docs/Web/API/Node/localName
+/pl/docs/DOM:element.localName	/pl/docs/Web/API/Element/localName
 /pl/docs/DOM:element.name	/pl/docs/conflicting/Web/API
-/pl/docs/DOM:element.namespaceURI	/pl/docs/Web/API/Node/namespaceURI
+/pl/docs/DOM:element.namespaceURI	/pl/docs/Web/API/Element/namespaceURI
 /pl/docs/DOM:element.nextSibling	/pl/docs/Web/API/Node/nextSibling
 /pl/docs/DOM:element.nodeName	/pl/docs/Web/API/Node/nodeName
 /pl/docs/DOM:element.nodeType	/pl/docs/Web/API/Node/nodeType
@@ -666,7 +666,7 @@
 /pl/docs/DOM:element.onmousemove	/pl/docs/Web/API/GlobalEventHandlers/onmousemove
 /pl/docs/DOM:element.ownerDocument	/pl/docs/Web/API/Node/ownerDocument
 /pl/docs/DOM:element.parentNode	/pl/docs/Web/API/Node/parentNode
-/pl/docs/DOM:element.prefix	/pl/docs/Web/API/Node/prefix
+/pl/docs/DOM:element.prefix	/pl/docs/Web/API/Element/prefix
 /pl/docs/DOM:element.previousSibling	/pl/docs/Web/API/Node/previousSibling
 /pl/docs/DOM:element.removeAttribute	/pl/docs/Web/API/Element/removeAttribute
 /pl/docs/DOM:element.removeAttributeNS	/pl/docs/Web/API/Element/removeAttributeNS
@@ -1946,9 +1946,7 @@
 /pl/docs/Web/API/Element/lang	/pl/docs/Web/API/HTMLElement/lang
 /pl/docs/Web/API/Element/lastChild	/pl/docs/Web/API/Node/lastChild
 /pl/docs/Web/API/Element/length	/pl/docs/Web/API/NodeList/length
-/pl/docs/Web/API/Element/localName	/pl/docs/Web/API/Node/localName
 /pl/docs/Web/API/Element/name	/pl/docs/conflicting/Web/API
-/pl/docs/Web/API/Element/namespaceURI	/pl/docs/Web/API/Node/namespaceURI
 /pl/docs/Web/API/Element/nextSibling	/pl/docs/Web/API/Node/nextSibling
 /pl/docs/Web/API/Element/nodeName	/pl/docs/Web/API/Node/nodeName
 /pl/docs/Web/API/Element/nodeType	/pl/docs/Web/API/Node/nodeType
@@ -1965,7 +1963,6 @@
 /pl/docs/Web/API/Element/onmousemove	/pl/docs/Web/API/GlobalEventHandlers/onmousemove
 /pl/docs/Web/API/Element/ownerDocument	/pl/docs/Web/API/Node/ownerDocument
 /pl/docs/Web/API/Element/parentNode	/pl/docs/Web/API/Node/parentNode
-/pl/docs/Web/API/Element/prefix	/pl/docs/Web/API/Node/prefix
 /pl/docs/Web/API/Element/previousSibling	/pl/docs/Web/API/Node/previousSibling
 /pl/docs/Web/API/Element/removeChild	/pl/docs/Web/API/Node/removeChild
 /pl/docs/Web/API/Element/replaceChild	/pl/docs/Web/API/Node/replaceChild
@@ -2005,6 +2002,10 @@
 /pl/docs/Web/API/Navigator/plugins	/pl/docs/Web/API/NavigatorPlugins/plugins
 /pl/docs/Web/API/Navigator/product	/pl/docs/Web/API/NavigatorID/product
 /pl/docs/Web/API/NavigatorOnLine/Zdarzenia_online_i_offline	/pl/docs/Web/API/NavigatorOnLine/Online_and_offline_events
+/pl/docs/Web/API/Node/localName	/pl/docs/Web/API/Element/localName
+/pl/docs/Web/API/Node/namespaceURI	/pl/docs/Web/API/Element/namespaceURI
+/pl/docs/Web/API/Node/prefix	/pl/docs/Web/API/Element/prefix
+/pl/docs/Web/API/ParentNode/childElementCount	/pl/docs/Web/API/Element/childElementCount
 /pl/docs/Web/API/Storage	/pl/docs/Web/API/Web_Storage_API
 /pl/docs/Web/API/Stylesheet	/pl/docs/Web/API/CSSStyleSheet
 /pl/docs/Web/API/Stylesheet/cssRules	/pl/docs/Web/API/CSSRuleList
diff --git a/files/pl/_wikihistory.json b/files/pl/_wikihistory.json
index 79e3503d58..1975db680c 100644
--- a/files/pl/_wikihistory.json
+++ b/files/pl/_wikihistory.json
@@ -2165,13 +2165,6 @@
   "Web/API/ParentNode": {
     "modified": "2020-10-15T22:19:13.921Z"
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-15T22:19:13.324Z",
-    "contributors": [
-      "kaka0204",
-      "SurmaAa"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2020-10-29T07:01:42.075Z",
     "contributors": [
@@ -5736,26 +5729,6 @@
       "Ptak82"
     ]
   },
-  "Web/API/Node/localName": {
-    "modified": "2019-03-23T23:46:58.657Z",
-    "contributors": [
-      "teoli",
-      "khalid32",
-      "Mgjbot",
-      "Ptak82",
-      "Jan Dudek"
-    ]
-  },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T23:46:57.209Z",
-    "contributors": [
-      "teoli",
-      "khalid32",
-      "Mgjbot",
-      "Jan Dudek",
-      "Ptak82"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2019-03-23T23:53:02.853Z",
     "contributors": [
@@ -5923,16 +5896,6 @@
       "Takenbot"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2019-03-23T23:47:17.259Z",
-    "contributors": [
-      "teoli",
-      "jsx",
-      "Mgjbot",
-      "Ptak82",
-      "Jan Dudek"
-    ]
-  },
   "Web/API/Node/previousSibling": {
     "modified": "2019-03-23T23:53:06.046Z",
     "contributors": [
@@ -11745,5 +11708,42 @@
       "Mgjbot",
       "Jan Dudek"
     ]
+  },
+  "Web/API/Element/localName": {
+    "modified": "2019-03-23T23:46:58.657Z",
+    "contributors": [
+      "teoli",
+      "khalid32",
+      "Mgjbot",
+      "Ptak82",
+      "Jan Dudek"
+    ]
+  },
+  "Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T23:46:57.209Z",
+    "contributors": [
+      "teoli",
+      "khalid32",
+      "Mgjbot",
+      "Jan Dudek",
+      "Ptak82"
+    ]
+  },
+  "Web/API/Element/prefix": {
+    "modified": "2019-03-23T23:47:17.259Z",
+    "contributors": [
+      "teoli",
+      "jsx",
+      "Mgjbot",
+      "Ptak82",
+      "Jan Dudek"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-15T22:19:13.324Z",
+    "contributors": [
+      "kaka0204",
+      "SurmaAa"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/pl/web/api/parentnode/childelementcount/index.html b/files/pl/web/api/element/childelementcount/index.html
index f3bbff6554..fb03d5d089 100644
--- a/files/pl/web/api/parentnode/childelementcount/index.html
+++ b/files/pl/web/api/element/childelementcount/index.html
@@ -1,7 +1,8 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>{{ APIRef("DOM") }}</div>
 
diff --git a/files/pl/web/api/node/localname/index.html b/files/pl/web/api/element/localname/index.html
index a99e7ae8da..5a12183ce1 100644
--- a/files/pl/web/api/node/localname/index.html
+++ b/files/pl/web/api/element/localname/index.html
@@ -1,13 +1,13 @@
 ---
 title: element.localName
-slug: Web/API/Node/localName
+slug: Web/API/Element/localName
 tags:
   - DOM
   - Dokumentacja_Gecko_DOM
   - Gecko
   - Wszystkie_kategorie
 translation_of: Web/API/Node/localName
-original_slug: Web/API/Element/localName
+original_slug: Web/API/Node/localName
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id="Podsumowanie" name="Podsumowanie">Podsumowanie</h3>
diff --git a/files/pl/web/api/node/namespaceuri/index.html b/files/pl/web/api/element/namespaceuri/index.html
index 59d7006ff2..7fbe7a79bc 100644
--- a/files/pl/web/api/node/namespaceuri/index.html
+++ b/files/pl/web/api/element/namespaceuri/index.html
@@ -1,13 +1,13 @@
 ---
 title: element.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: Web/API/Element/namespaceURI
 tags:
   - DOM
   - Dokumentacja_Gecko_DOM
   - Gecko
   - Wszystkie_kategorie
 translation_of: Web/API/Node/namespaceURI
-original_slug: Web/API/Element/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id="Podsumowanie" name="Podsumowanie">Podsumowanie</h3>
diff --git a/files/pl/web/api/node/prefix/index.html b/files/pl/web/api/element/prefix/index.html
index 0a76253cd6..5d5971b9f6 100644
--- a/files/pl/web/api/node/prefix/index.html
+++ b/files/pl/web/api/element/prefix/index.html
@@ -1,13 +1,13 @@
 ---
 title: element.prefix
-slug: Web/API/Node/prefix
+slug: Web/API/Element/prefix
 tags:
   - DOM
   - Dokumentacja_Gecko_DOM
   - Gecko
   - Wszystkie_kategorie
 translation_of: Web/API/Node/prefix
-original_slug: Web/API/Element/prefix
+original_slug: Web/API/Node/prefix
 ---
 <p>{{ ApiRef() }}</p>
 <h3 id="Podsumowanie" name="Podsumowanie">Podsumowanie</h3>
diff --git a/files/pt-br/_redirects.txt b/files/pt-br/_redirects.txt
index dc89b12bc6..562bcb7f59 100644
--- a/files/pt-br/_redirects.txt
+++ b/files/pt-br/_redirects.txt
@@ -587,6 +587,7 @@
 /pt-BR/docs/Web/API/Node.replaceChild	/pt-BR/docs/Web/API/Node/replaceChild
 /pt-BR/docs/Web/API/Node/Entendendo_o_uso_do_método_AppendChild-javascript	/pt-BR/docs/orphaned/Web/API/Node/Entendendo_o_uso_do_método_AppendChild-javascript
 /pt-BR/docs/Web/API/Node/innerText	/pt-BR/docs/Web/API/HTMLElement/innerText
+/pt-BR/docs/Web/API/ParentNode/childElementCount	/pt-BR/docs/Web/API/Element/childElementCount
 /pt-BR/docs/Web/API/Position	/pt-BR/docs/Web/API/GeolocationPosition
 /pt-BR/docs/Web/API/Position/coords	/pt-BR/docs/Web/API/GeolocationPosition/coords
 /pt-BR/docs/Web/API/PositionError	/pt-BR/docs/Web/API/GeolocationPositionError
diff --git a/files/pt-br/_wikihistory.json b/files/pt-br/_wikihistory.json
index 75facc48d9..62526c1e86 100644
--- a/files/pt-br/_wikihistory.json
+++ b/files/pt-br/_wikihistory.json
@@ -3341,12 +3341,6 @@
       "jpmedley"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-15T22:28:04.061Z",
-    "contributors": [
-      "leofalcao10"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2019-03-23T22:19:42.340Z",
     "contributors": [
@@ -17367,5 +17361,11 @@
     "contributors": [
       "cezaraugusto"
     ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-15T22:28:04.061Z",
+    "contributors": [
+      "leofalcao10"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/pt-br/web/api/parentnode/childelementcount/index.html b/files/pt-br/web/api/element/childelementcount/index.html
index dea1fed6cd..8dfa04fa61 100644
--- a/files/pt-br/web/api/parentnode/childelementcount/index.html
+++ b/files/pt-br/web/api/element/childelementcount/index.html
@@ -1,12 +1,13 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - Child
   - DOM
   - JavaScript
   - ParentNode
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>{{ APIRef("DOM") }}</div>
 
diff --git a/files/ru/_redirects.txt b/files/ru/_redirects.txt
index 7eab514f1e..85133135bb 100644
--- a/files/ru/_redirects.txt
+++ b/files/ru/_redirects.txt
@@ -443,11 +443,15 @@
 /ru/docs/Web/API/Node.textContent	/ru/docs/Web/API/Node/textContent
 /ru/docs/Web/API/Node/baseURIObject	/ru/docs/conflicting/Web/API/Node
 /ru/docs/Web/API/Node/innerText	/ru/docs/Web/API/HTMLElement/innerText
+/ru/docs/Web/API/Node/localName	/ru/docs/Web/API/Element/localName
+/ru/docs/Web/API/Node/namespaceURI	/ru/docs/Web/API/Element/namespaceURI
 /ru/docs/Web/API/Node/nodePrincipal	/ru/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
+/ru/docs/Web/API/Node/prefix	/ru/docs/Web/API/Element/prefix
 /ru/docs/Web/API/NonDocumentTypeChildNode	/ru/docs/conflicting/Web/API/Element_861159909c20acebf8e506c3bb0e2f7e
 /ru/docs/Web/API/NonDocumentTypeChildNode/NonDocumentTypeChildNode.nextElementSibling	/ru/docs/Web/API/Element/nextElementSibling
 /ru/docs/Web/API/NonDocumentTypeChildNode/nextElementSibling	/ru/docs/Web/API/Element/nextElementSibling
 /ru/docs/Web/API/NonDocumentTypeChildNode/previousElementSibling	/ru/docs/Web/API/Element/previousElementSibling
+/ru/docs/Web/API/ParentNode/childElementCount	/ru/docs/Web/API/Element/childElementCount
 /ru/docs/Web/API/PositionError	/ru/docs/Web/API/GeolocationPositionError
 /ru/docs/Web/API/Push_API/Using_the_Push_API	/ru/docs/conflicting/Web/API/Push_API
 /ru/docs/Web/API/RandomSource	/ru/docs/conflicting/Web/API/Crypto/getRandomValues
diff --git a/files/ru/_wikihistory.json b/files/ru/_wikihistory.json
index 196f623a1a..5dd055588e 100644
--- a/files/ru/_wikihistory.json
+++ b/files/ru/_wikihistory.json
@@ -6680,12 +6680,6 @@
       "Yuri"
     ]
   },
-  "Web/API/Node/localName": {
-    "modified": "2019-03-23T22:53:27.435Z",
-    "contributors": [
-      "AlexAlex"
-    ]
-  },
   "Web/API/Node/lookupNamespaceURI": {
     "modified": "2019-03-23T22:53:25.440Z",
     "contributors": [
@@ -6698,12 +6692,6 @@
       "AlexAlex"
     ]
   },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T22:53:39.665Z",
-    "contributors": [
-      "AlexAlex"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2019-03-23T22:53:34.071Z",
     "contributors": [
@@ -6767,12 +6755,6 @@
       "Troynov"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2019-03-23T22:53:39.207Z",
-    "contributors": [
-      "AlexAlex"
-    ]
-  },
   "Web/API/Node/previousSibling": {
     "modified": "2019-03-23T22:53:39.334Z",
     "contributors": [
@@ -6846,15 +6828,6 @@
       "madebydima"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2019-08-28T05:06:44.542Z",
-    "contributors": [
-      "Yialo",
-      "vitya-ne",
-      "alexsakhnov",
-      "In4in"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2019-09-25T14:03:42.278Z",
     "contributors": [
@@ -25988,5 +25961,32 @@
     "contributors": [
       "YakovL"
     ]
+  },
+  "Web/API/Element/localName": {
+    "modified": "2019-03-23T22:53:27.435Z",
+    "contributors": [
+      "AlexAlex"
+    ]
+  },
+  "Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T22:53:39.665Z",
+    "contributors": [
+      "AlexAlex"
+    ]
+  },
+  "Web/API/Element/prefix": {
+    "modified": "2019-03-23T22:53:39.207Z",
+    "contributors": [
+      "AlexAlex"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2019-08-28T05:06:44.542Z",
+    "contributors": [
+      "Yialo",
+      "vitya-ne",
+      "alexsakhnov",
+      "In4in"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/ru/web/api/parentnode/childelementcount/index.html b/files/ru/web/api/element/childelementcount/index.html
index 39329d5842..4e5469b731 100644
--- a/files/ru/web/api/parentnode/childelementcount/index.html
+++ b/files/ru/web/api/element/childelementcount/index.html
@@ -1,6 +1,6 @@
 ---
 title: Node.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 tags:
   - API
   - DOM
@@ -8,6 +8,7 @@ tags:
   - Property
   - Reference
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <div>
 <p>{{ APIRef("DOM") }}</p>
diff --git a/files/ru/web/api/node/localname/index.html b/files/ru/web/api/element/localname/index.html
index 9347aea3d0..5512a8c180 100644
--- a/files/ru/web/api/node/localname/index.html
+++ b/files/ru/web/api/element/localname/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.localName
-slug: Web/API/Node/localName
+slug: Web/API/Element/localName
 translation_of: Web/API/Node/localName
+original_slug: Web/API/Node/localName
 ---
 <div>
 <div>{{APIRef("DOM")}}</div>
diff --git a/files/ru/web/api/node/namespaceuri/index.html b/files/ru/web/api/element/namespaceuri/index.html
index aceba64d3f..a9c6516acc 100644
--- a/files/ru/web/api/node/namespaceuri/index.html
+++ b/files/ru/web/api/element/namespaceuri/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: Web/API/Element/namespaceURI
 translation_of: Web/API/Node/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <div>
 <div>{{APIRef("DOM")}}</div>
diff --git a/files/ru/web/api/node/prefix/index.html b/files/ru/web/api/element/prefix/index.html
index fe218e0507..5b2680cce5 100644
--- a/files/ru/web/api/node/prefix/index.html
+++ b/files/ru/web/api/element/prefix/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.prefix
-slug: Web/API/Node/prefix
+slug: Web/API/Element/prefix
 translation_of: Web/API/Node/prefix
+original_slug: Web/API/Node/prefix
 ---
 <div>
 <div>{{APIRef("DOM")}}</div>
diff --git a/files/zh-cn/_redirects.txt b/files/zh-cn/_redirects.txt
index 0b55f0b1d6..1cd64f981b 100644
--- a/files/zh-cn/_redirects.txt
+++ b/files/zh-cn/_redirects.txt
@@ -311,7 +311,7 @@
 /zh-CN/docs/DOM/Node.isSameNode	/zh-CN/docs/Web/API/Node/isSameNode
 /zh-CN/docs/DOM/Node.isSupported	/zh-CN/docs/Web/API/Node/isSupported
 /zh-CN/docs/DOM/Node.lastChild	/zh-CN/docs/Web/API/Node/lastChild
-/zh-CN/docs/DOM/Node.localName	/zh-CN/docs/Web/API/Node/localName
+/zh-CN/docs/DOM/Node.localName	/zh-CN/docs/conflicting/Web/API/Element/localName
 /zh-CN/docs/DOM/Node.lookupNamespaceURI	/zh-CN/docs/Web/API/Node/lookupNamespaceURI
 /zh-CN/docs/DOM/Node.lookupPrefix	/zh-CN/docs/Web/API/Node/lookupPrefix
 /zh-CN/docs/DOM/Node.nodeName	/zh-CN/docs/Web/API/Node/nodeName
@@ -321,7 +321,7 @@
 /zh-CN/docs/DOM/Node.ownerDocument	/zh-CN/docs/Web/API/Node/ownerDocument
 /zh-CN/docs/DOM/Node.parentElement	/zh-CN/docs/Web/API/Node/parentElement
 /zh-CN/docs/DOM/Node.parentNode	/zh-CN/docs/Web/API/Node/parentNode
-/zh-CN/docs/DOM/Node.prefix	/zh-CN/docs/Web/API/Node/prefix
+/zh-CN/docs/DOM/Node.prefix	/zh-CN/docs/conflicting/Web/API/Element/prefix
 /zh-CN/docs/DOM/Node.previousSibling	/zh-CN/docs/Web/API/Node/previousSibling
 /zh-CN/docs/DOM/Node.removeChild	/zh-CN/docs/Web/API/Node/removeChild
 /zh-CN/docs/DOM/Node.replaceChild	/zh-CN/docs/Web/API/Node/replaceChild
@@ -418,7 +418,7 @@
 /zh-CN/docs/DOM/element.addEventListener	/zh-CN/docs/Web/API/EventTarget/addEventListener
 /zh-CN/docs/DOM/element.attributes	/zh-CN/docs/Web/API/Element/attributes
 /zh-CN/docs/DOM/element.blur	/zh-CN/docs/Web/API/HTMLOrForeignElement/blur
-/zh-CN/docs/DOM/element.childElementCount	/zh-CN/docs/Web/API/ParentNode/childElementCount
+/zh-CN/docs/DOM/element.childElementCount	/zh-CN/docs/Web/API/Element/childElementCount
 /zh-CN/docs/DOM/element.childNodes	/zh-CN/docs/Web/API/Node/childNodes
 /zh-CN/docs/DOM/element.classList	/zh-CN/docs/Web/API/Element/classList
 /zh-CN/docs/DOM/element.className	/zh-CN/docs/Web/API/Element/className
@@ -1683,10 +1683,10 @@
 /zh-CN/docs/Web/API/Node.isSameNode	/zh-CN/docs/Web/API/Node/isSameNode
 /zh-CN/docs/Web/API/Node.isSupported	/zh-CN/docs/Web/API/Node/isSupported
 /zh-CN/docs/Web/API/Node.lastChild	/zh-CN/docs/Web/API/Node/lastChild
-/zh-CN/docs/Web/API/Node.localName	/zh-CN/docs/Web/API/Node/localName
+/zh-CN/docs/Web/API/Node.localName	/zh-CN/docs/conflicting/Web/API/Element/localName
 /zh-CN/docs/Web/API/Node.lookupNamespaceURI	/zh-CN/docs/Web/API/Node/lookupNamespaceURI
 /zh-CN/docs/Web/API/Node.lookupPrefix	/zh-CN/docs/Web/API/Node/lookupPrefix
-/zh-CN/docs/Web/API/Node.namespaceURI	/zh-CN/docs/Web/API/Node/namespaceURI
+/zh-CN/docs/Web/API/Node.namespaceURI	/zh-CN/docs/conflicting/Web/API/Element/namespaceURI
 /zh-CN/docs/Web/API/Node.nextSibling	/zh-CN/docs/Web/API/Node/nextSibling
 /zh-CN/docs/Web/API/Node.nodeName	/zh-CN/docs/Web/API/Node/nodeName
 /zh-CN/docs/Web/API/Node.nodePrincipal	/zh-CN/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
@@ -1696,7 +1696,7 @@
 /zh-CN/docs/Web/API/Node.ownerDocument	/zh-CN/docs/Web/API/Node/ownerDocument
 /zh-CN/docs/Web/API/Node.parentElement	/zh-CN/docs/Web/API/Node/parentElement
 /zh-CN/docs/Web/API/Node.parentNode	/zh-CN/docs/Web/API/Node/parentNode
-/zh-CN/docs/Web/API/Node.prefix	/zh-CN/docs/Web/API/Node/prefix
+/zh-CN/docs/Web/API/Node.prefix	/zh-CN/docs/conflicting/Web/API/Element/prefix
 /zh-CN/docs/Web/API/Node.previousSibling	/zh-CN/docs/Web/API/Node/previousSibling
 /zh-CN/docs/Web/API/Node.removeChild	/zh-CN/docs/Web/API/Node/removeChild
 /zh-CN/docs/Web/API/Node.replaceChild	/zh-CN/docs/Web/API/Node/replaceChild
@@ -1707,8 +1707,11 @@
 /zh-CN/docs/Web/API/Node/childNodes_temp	/zh-CN/docs/Web/API/Node/childNodes
 /zh-CN/docs/Web/API/Node/hasAttributes	/zh-CN/docs/Web/API/Element/hasAttributes
 /zh-CN/docs/Web/API/Node/innerText	/zh-CN/docs/Web/API/HTMLElement/innerText
+/zh-CN/docs/Web/API/Node/localName	/zh-CN/docs/conflicting/Web/API/Element/localName
+/zh-CN/docs/Web/API/Node/namespaceURI	/zh-CN/docs/conflicting/Web/API/Element/namespaceURI
 /zh-CN/docs/Web/API/Node/nodePrincipal	/zh-CN/docs/conflicting/Web/API/Node_378aed5ed6869e50853edbc988cf9556
 /zh-CN/docs/Web/API/Node/outerText	/zh-CN/docs/conflicting/Web/API/HTMLElement/outerText
+/zh-CN/docs/Web/API/Node/prefix	/zh-CN/docs/conflicting/Web/API/Element/prefix
 /zh-CN/docs/Web/API/Node/rootNode	/zh-CN/docs/conflicting/Web/API/Node/getRootNode
 /zh-CN/docs/Web/API/NodeList.item	/zh-CN/docs/Web/API/NodeList/item
 /zh-CN/docs/Web/API/NonDocumentTypeChildNode	/zh-CN/docs/conflicting/Web/API/Element_861159909c20acebf8e506c3bb0e2f7e
@@ -1717,10 +1720,11 @@
 /zh-CN/docs/Web/API/NonDocumentTypeChildNode/nextElementSibling	/zh-CN/docs/Web/API/Element/nextElementSibling
 /zh-CN/docs/Web/API/NonDocumentTypeChildNode/previousElementSibling	/zh-CN/docs/Web/API/Element/previousElementSibling
 /zh-CN/docs/Web/API/OfflineAudioContext/complete	/zh-CN/docs/Web/API/OfflineAudioContext/complete_event
-/zh-CN/docs/Web/API/ParentNode.childElementCount	/zh-CN/docs/Web/API/ParentNode/childElementCount
+/zh-CN/docs/Web/API/ParentNode.childElementCount	/zh-CN/docs/Web/API/Element/childElementCount
 /zh-CN/docs/Web/API/ParentNode.children	/zh-CN/docs/Web/API/ParentNode/children
 /zh-CN/docs/Web/API/ParentNode.firstElementChild	/zh-CN/docs/Web/API/ParentNode/firstElementChild
 /zh-CN/docs/Web/API/ParentNode.lastElementChild	/zh-CN/docs/Web/API/ParentNode/lastElementChild
+/zh-CN/docs/Web/API/ParentNode/childElementCount	/zh-CN/docs/Web/API/Element/childElementCount
 /zh-CN/docs/Web/API/Performance.now()	/zh-CN/docs/Web/API/Performance/now
 /zh-CN/docs/Web/API/Performance/内存	/zh-CN/docs/Web/API/Performance/memory
 /zh-CN/docs/Web/API/Position	/zh-CN/docs/Web/API/GeolocationPosition
diff --git a/files/zh-cn/_wikihistory.json b/files/zh-cn/_wikihistory.json
index 7d55c398e5..9f7bfd27f1 100644
--- a/files/zh-cn/_wikihistory.json
+++ b/files/zh-cn/_wikihistory.json
@@ -16391,15 +16391,6 @@
       "ziyunfei"
     ]
   },
-  "Web/API/Node/localName": {
-    "modified": "2019-03-24T00:17:44.401Z",
-    "contributors": [
-      "teoli",
-      "jsx",
-      "AshfaqHossain",
-      "ziyunfei"
-    ]
-  },
   "Web/API/Node/lookupNamespaceURI": {
     "modified": "2019-03-24T00:17:51.844Z",
     "contributors": [
@@ -16414,14 +16405,6 @@
       "ziyunfei"
     ]
   },
-  "Web/API/Node/namespaceURI": {
-    "modified": "2019-03-23T23:09:34.483Z",
-    "contributors": [
-      "LoveofRedMoon",
-      "teoli",
-      "AlexChao"
-    ]
-  },
   "Web/API/Node/nextSibling": {
     "modified": "2020-10-15T21:30:01.843Z",
     "contributors": [
@@ -16503,15 +16486,6 @@
       "ziyunfei"
     ]
   },
-  "Web/API/Node/prefix": {
-    "modified": "2019-03-24T00:17:52.444Z",
-    "contributors": [
-      "teoli",
-      "jsx",
-      "AshfaqHossain",
-      "ziyunfei"
-    ]
-  },
   "Web/API/Node/previousSibling": {
     "modified": "2019-11-28T06:21:40.809Z",
     "contributors": [
@@ -16820,16 +16794,6 @@
       "ziyunfei"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2019-04-28T01:50:12.243Z",
-    "contributors": [
-      "frankfang1990",
-      "xgqfrms-GitHub",
-      "teoli",
-      "AlexChao",
-      "ziyunfei"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2019-10-05T16:42:46.088Z",
     "contributors": [
@@ -50798,5 +50762,41 @@
     "contributors": [
       "tiny-gravel"
     ]
+  },
+  "conflicting/Web/API/Element/localName": {
+    "modified": "2019-03-24T00:17:44.401Z",
+    "contributors": [
+      "teoli",
+      "jsx",
+      "AshfaqHossain",
+      "ziyunfei"
+    ]
+  },
+  "conflicting/Web/API/Element/namespaceURI": {
+    "modified": "2019-03-23T23:09:34.483Z",
+    "contributors": [
+      "LoveofRedMoon",
+      "teoli",
+      "AlexChao"
+    ]
+  },
+  "conflicting/Web/API/Element/prefix": {
+    "modified": "2019-03-24T00:17:52.444Z",
+    "contributors": [
+      "teoli",
+      "jsx",
+      "AshfaqHossain",
+      "ziyunfei"
+    ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2019-04-28T01:50:12.243Z",
+    "contributors": [
+      "frankfang1990",
+      "xgqfrms-GitHub",
+      "teoli",
+      "AlexChao",
+      "ziyunfei"
+    ]
   }
 }
\ No newline at end of file
diff --git a/files/zh-cn/web/api/node/localname/index.html b/files/zh-cn/conflicting/web/api/element/localname/index.html
index de9dcc4680..6d5f5f26b6 100644
--- a/files/zh-cn/web/api/node/localname/index.html
+++ b/files/zh-cn/conflicting/web/api/element/localname/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.localName
-slug: Web/API/Node/localName
+slug: conflicting/Web/API/Element/localName
 translation_of: Web/API/Node/localName
+original_slug: Web/API/Node/localName
 ---
 <div>
  {{ApiRef}}</div>
diff --git a/files/zh-cn/web/api/node/namespaceuri/index.html b/files/zh-cn/conflicting/web/api/element/namespaceuri/index.html
index 2aab7351fe..b2f0fa1e38 100644
--- a/files/zh-cn/web/api/node/namespaceuri/index.html
+++ b/files/zh-cn/conflicting/web/api/element/namespaceuri/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.namespaceURI
-slug: Web/API/Node/namespaceURI
+slug: conflicting/Web/API/Element/namespaceURI
 translation_of: Web/API/Node/namespaceURI
+original_slug: Web/API/Node/namespaceURI
 ---
 <div>{{APIRef("DOM")}}{{obsolete_header}}</div>
 
diff --git a/files/zh-cn/web/api/node/prefix/index.html b/files/zh-cn/conflicting/web/api/element/prefix/index.html
index 6883a89050..06c46e0ad9 100644
--- a/files/zh-cn/web/api/node/prefix/index.html
+++ b/files/zh-cn/conflicting/web/api/element/prefix/index.html
@@ -1,7 +1,8 @@
 ---
 title: Node.prefix
-slug: Web/API/Node/prefix
+slug: conflicting/Web/API/Element/prefix
 translation_of: Web/API/Node/prefix
+original_slug: Web/API/Node/prefix
 ---
 <div>
  {{ApiRef}}</div>
diff --git a/files/zh-cn/web/api/parentnode/childelementcount/index.html b/files/zh-cn/web/api/element/childelementcount/index.html
index 0169eb3ed5..11a680d8a0 100644
--- a/files/zh-cn/web/api/parentnode/childelementcount/index.html
+++ b/files/zh-cn/web/api/element/childelementcount/index.html
@@ -1,7 +1,8 @@
 ---
 title: ParentNode.childElementCount
-slug: Web/API/ParentNode/childElementCount
+slug: Web/API/Element/childElementCount
 translation_of: Web/API/ParentNode/childElementCount
+original_slug: Web/API/ParentNode/childElementCount
 ---
 <p>{{ APIRef("DOM") }} </p>