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+---
+title: RTCStats
+slug: Web/API/RTCStats
+tags:
+  - API
+  - Dictionary
+  - NeedsTranslation
+  - RTCStats
+  - Reference
+  - Report
+  - Statistics
+  - Stats
+  - TopicStub
+  - WebRTC
+  - rtc
+translation_of: Web/API/RTCStats
+---
+<div>{{APIRef("WebRTC")}}</div>
+
+<p><span class="seoSummary">The <strong><code>RTCStats</code></strong> dictionary is the basic statistics object used by WebRTC's statistics monitoring model, providing the properties required of all statistics data objects.</span> Specific classes of statistic are defined as dictionaries based on <code>RTCStats</code>. For example, statistics about a received {{Glossary("RTP")}} stream are represented by {{domxref("RTCReceivedRtpStreamStats")}}.</p>
+
+<h2 id="Properties">Properties</h2>
+
+<dl>
+ <dt>{{domxref("RTCStats.id", "id")}}</dt>
+ <dd>A {{domxref("DOMString")}} which uniquely identifies the object which was inspected to produce this object based on <code>RTCStats</code>.</dd>
+ <dt>{{domxref("RTCStats.timestamp", "timestamp")}}</dt>
+ <dd>A {{domxref("DOMHighResTimeStamp")}} object indicating the time at which the sample was taken for this statistics object.</dd>
+ <dt>{{domxref("RTCStats.type", "type")}}</dt>
+ <dd>A {{domxref("DOMString")}} indicating the type of statistics the object contains, taken from the enum type {{domxref("RTCStatsType")}}.</dd>
+</dl>
+
+<h2 id="The_statistics_type_hierarchy">The statistics type hierarchy</h2>
+
+<p>The various dictionaries that are used to define the contents of the objects that contain each of the various types of statistics for WebRTC are structured in such a way that they build upon the core <code>RTCStats</code> dictionary, each layer adding more relevant information.</p>
+
+<ul>
+ <li>{{domxref("RTCStats")}} is the foundation of all WebRTC statistics objects
+  <ul>
+   <li>{{domxref("RTCRtpStreamStats")}} adds to <code>RTCStats</code> information that applies to all RTP endpoints (that is, both local and remote endpoints, and regardless of whether the endpoint is a sender or a receiver)
+
+    <ul>
+     <li>{{domxref("RTCReceivedRtpStreamStats")}} further adds statistics measured at the receiving end of an RTP stream, regardless of whether it's local or remote.
+      <ul>
+       <li>{{domxref("RTCInboundRtpStreamStats")}} contains statistics that can only be measured on a receiver at the local end of the RTP connection.</li>
+       <li>{{domxref("RTCOutboundRtpStreamStats")}} contains statistics related to the receiver at the remote end of the RTP stream.</li>
+      </ul>
+     </li>
+     <li>{{domxref("RTCSentRtpStreamStats")}} offers statistics related to the sending end of an RTP stream.
+      <ul>
+       <li>{{domxref("RTCOutboundRtpStreamStats")}} contains statistics about the local sending endpoint of an RTP stream.</li>
+       <li>{{domxref("RTCRemoteOutboundRtpStreamStats")}} holds statistics related to the remote sending end an RTP stream.</li>
+      </ul>
+     </li>
+    </ul>
+   </li>
+  </ul>
+ </li>
+</ul>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{ SpecName('WebRTC 1.0', '#dom-rtcstats', 'RTCStats') }}</td>
+   <td>{{ Spec2('WebRTC 1.0') }}</td>
+   <td>Initial specification.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.RTCStats")}}</p>