5 files changed, 25 insertions, 20 deletions
diff --git a/files/es/_redirects.txt b/files/es/_redirects.txt
index f62d9cc572..7465e846fa 100644
--- a/files/es/_redirects.txt
+++ b/files/es/_redirects.txt
@@ -1543,6 +1543,7 @@
 /es/docs/Web/API/Element/onwheel	/es/docs/Web/API/GlobalEventHandlers/onwheel
 /es/docs/Web/API/ElementosHTMLparaVideo	/es/docs/Web/API/HTMLVideoElement
 /es/docs/Web/API/Event/createEvent	/es/docs/Web/API/Document/createEvent
+/es/docs/Web/API/EventSource/onopen	/es/docs/Web/API/EventSource/open_event
 /es/docs/Web/API/Fetch_API/Conceptos_basicos	/es/docs/Web/API/Fetch_API/Basic_concepts
 /es/docs/Web/API/Fetch_API/Utilizando_Fetch	/es/docs/Web/API/Fetch_API/Using_Fetch
 /es/docs/Web/API/File/fileName	/es/docs/conflicting/Web/API/File/name
@@ -1954,6 +1955,7 @@
 /es/docs/Web/HTML/Elementos_en_línea	/es/docs/Web/HTML/Inline_elements
 /es/docs/Web/HTML/Gestión_del_foco_en_HTML	/es/docs/Web/API/Document/hasFocus
 /es/docs/Web/HTML/Imagen_con_CORS_habilitado	/es/docs/Web/HTML/CORS_enabled_image
+/es/docs/Web/HTML/Index	/es/docs/conflicting/Web/HTML
 /es/docs/Web/HTML/Microdatos	/es/docs/Web/HTML/Microdata
 /es/docs/Web/HTML/Optimizing_your_pages_for_speculative_parsing	/es/docs/Glossary/speculative_parsing
 /es/docs/Web/HTML/Referencia	/es/docs/Web/HTML/Reference
@@ -1961,7 +1963,7 @@
 /es/docs/Web/HTML/Transision_adaptativa_DASH	/es/docs/Web/Media/DASH_Adaptive_Streaming_for_HTML_5_Video
 /es/docs/Web/HTML/anipular_video_por_medio_de_canvas	/es/docs/Web/API/Canvas_API/Manipulating_video_using_canvas
 /es/docs/Web/HTML/microformatos	/es/docs/Web/HTML/microformats
-/es/docs/Web/HTML/Índice	/es/docs/Web/HTML/Index
+/es/docs/Web/HTML/Índice	/es/docs/conflicting/Web/HTML
 /es/docs/Web/HTTP/Access_control_CORS	/es/docs/Web/HTTP/CORS
 /es/docs/Web/HTTP/Basics_of_HTTP/Datos_URIs	/es/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
 /es/docs/Web/HTTP/Basics_of_HTTP/Identificación_recursos_en_la_Web	/es/docs/Web/HTTP/Basics_of_HTTP/Identifying_resources_on_the_Web
@@ -2533,6 +2535,7 @@
 /es/docs/Web/Reference/Events/transitionend	/es/docs/Web/API/HTMLElement/transitionend_event
 /es/docs/Web/Reference/Events/wheel	/es/docs/Web/API/Element/wheel_event
 /es/docs/Web/SVG/Element/glifo	/es/docs/Web/SVG/Element/glyph
+/es/docs/Web/SVG/Index	/es/docs/conflicting/Web/SVG
 /es/docs/Web/SVG/Tutorial/Introducción	/es/docs/Web/SVG/Tutorial/Introduction
 /es/docs/Web/Security/Same-origin_politica	/es/docs/Web/Security/Same-origin_policy
 /es/docs/Web/Security/Securing_your_site/desactivar_autocompletado_formulario	/es/docs/Web/Security/Securing_your_site/Turning_off_form_autocompletion
diff --git a/files/es/_wikihistory.json b/files/es/_wikihistory.json
index 6156c5aff5..7cbcbe886f 100644
--- a/files/es/_wikihistory.json
+++ b/files/es/_wikihistory.json
@@ -6474,7 +6474,7 @@
       "Jabi"
     ]
   },
-  "Web/API/EventSource/onopen": {
+  "Web/API/EventSource/open_event": {
     "modified": "2019-03-23T22:03:59.180Z",
     "contributors": [
       "Hoosep"
@@ -15038,13 +15038,6 @@
       "WriestTavo"
     ]
   },
-  "Web/HTML/Index": {
-    "modified": "2019-01-16T22:12:02.767Z",
-    "contributors": [
-      "raecillacastellana",
-      "pekechis"
-    ]
-  },
   "Web/HTML/Inline_elements": {
     "modified": "2019-03-23T22:46:15.359Z",
     "contributors": [
@@ -20480,13 +20473,6 @@
       "jorge_castro"
     ]
   },
-  "Web/SVG/Index": {
-    "modified": "2019-01-16T22:36:49.773Z",
-    "contributors": [
-      "jwhitlock",
-      "ComplementosMozilla"
-    ]
-  },
   "Web/SVG/SVG_1.1_Support_in_Firefox": {
     "modified": "2019-03-23T23:43:25.545Z",
     "contributors": [
@@ -21559,6 +21545,13 @@
       "wbamberg"
     ]
   },
+  "conflicting/Web/HTML": {
+    "modified": "2019-01-16T22:12:02.767Z",
+    "contributors": [
+      "raecillacastellana",
+      "pekechis"
+    ]
+  },
   "conflicting/Web/HTML/Element": {
     "modified": "2020-01-21T22:36:54.135Z",
     "contributors": [
@@ -21823,6 +21816,13 @@
       "totopizzahn"
     ]
   },
+  "conflicting/Web/SVG": {
+    "modified": "2019-01-16T22:36:49.773Z",
+    "contributors": [
+      "jwhitlock",
+      "ComplementosMozilla"
+    ]
+  },
   "conflicting/Web/Web_Components/Using_custom_elements": {
     "modified": "2019-03-23T22:21:51.809Z",
     "contributors": [
diff --git a/files/es/web/html/index/index.html b/files/es/conflicting/web/html/index.html
index 388b7b4d96..f99a5c972d 100644
--- a/files/es/web/html/index/index.html
+++ b/files/es/conflicting/web/html/index.html
@@ -1,9 +1,9 @@
 ---
 title: Índice de la documentación HTML
-slug: Web/HTML/Index
+slug: conflicting/Web/HTML
 tags:
   - HTML
 translation_of: Web/HTML/Index
-original_slug: Web/HTML/Índice
+original_slug: Web/HTML/Index
 ---
 <p>{{Index("/es/docs/Web/HTML")}}</p>
diff --git a/files/es/web/svg/index/index.html b/files/es/conflicting/web/svg/index.html
index a9cf2d3736..274e4ad49c 100644
--- a/files/es/web/svg/index/index.html
+++ b/files/es/conflicting/web/svg/index.html
@@ -1,6 +1,7 @@
 ---
 title: SVG documentation index
-slug: Web/SVG/Index
+slug: conflicting/Web/SVG
 translation_of: Web/SVG/Index
+original_slug: Web/SVG/Index
 ---
 <p>{{Index("/en-US/docs/Web/SVG")}}</p>
diff --git a/files/es/web/api/eventsource/onopen/index.html b/files/es/web/api/eventsource/open_event/index.html
index 59ee6537dd..ea7b4d5d98 100644
--- a/files/es/web/api/eventsource/onopen/index.html
+++ b/files/es/web/api/eventsource/open_event/index.html
@@ -1,7 +1,8 @@
 ---
 title: EventSource.onopen
-slug: Web/API/EventSource/onopen
+slug: Web/API/EventSource/open_event
 translation_of: Web/API/EventSource/onopen
+original_slug: Web/API/EventSource/onopen
 ---
 <div>{{APIRef('WebSockets API')}}</div>