diff --git a/dom/media/DecoderTraits.cpp b/dom/media/DecoderTraits.cpp
index f36e419c1805..a300cd8c3ccd 100644
--- a/dom/media/DecoderTraits.cpp
+++ b/dom/media/DecoderTraits.cpp
@@ -143,8 +143,12 @@ static CanPlayStatus CanHandleCodecsType(
 
 static CanPlayStatus CanHandleMediaType(
     const MediaContainerType& aType, DecoderDoctorDiagnostics* aDiagnostics) {
+  if (DecoderTraits::IsHttpLiveStreamingType(aType)) {
+    Telemetry::Accumulate(Telemetry::MEDIA_HLS_CANPLAY_REQUESTED, true);
+  }
 #ifdef MOZ_ANDROID_HLS_SUPPORT
   if (HLSDecoder::IsSupportedType(aType)) {
+    Telemetry::Accumulate(Telemetry::MEDIA_HLS_CANPLAY_SUPPORTED, true);
     return CANPLAY_MAYBE;
   }
 #endif
diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json
index 866559dac5e7..1eecd5dc02c6 100644
--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -9402,6 +9402,24 @@
     "description": "Reports a true value when a page requests canPlayType for a matroska media type.",
     "bug_numbers": [1429986, 1570634, 1606206]
   },
+  "MEDIA_HLS_CANPLAY_REQUESTED": {
+    "record_in_processes": ["content"],
+    "products": ["firefox", "geckoview"],
+    "alert_emails": ["jolin@mozilla.com", "bvandyk@mozilla.com"],
+    "expires_in_version": "85",
+    "kind": "boolean",
+    "description": "Reports a true value when a page requests canPlayType for a HLS media type.",
+    "bug_numbers": [1628048]
+  },
+  "MEDIA_HLS_CANPLAY_SUPPORTED": {
+    "record_in_processes": ["content"],
+    "products": ["firefox", "geckoview"],
+    "alert_emails": ["jolin@mozilla.com", "bvandyk@mozilla.com"],
+    "expires_in_version": "85",
+    "kind": "boolean",
+    "description": "Reports a true value when a canPlayType request supports HLS.",
+    "bug_numbers": [1628048]
+  },
   "MEDIA_MP4_PARSE_SAMPLE_DESCRIPTION_ENTRIES_HAVE_MULTIPLE_CODECS": {
     "record_in_processes": ["main", "content"],
     "products": ["firefox", "fennec", "geckoview"],