Compatibility/Telemetry: Difference between revisions

Revision as of 19:22, 6 January 2015

This page tracks the telemetry measurements that the Web Compat team is tracking. See Telemetry for more information.

Bug 1109958 will serve as the meta tracking bug for all telemetry probes.

WAP (WML or XHTMLMP) content sent to Fennec and Firefox OS users (see Bug 941241 and see also bug 997668)
`Server:` name
Redirection sequences
Wrong mimetypes for images
Wrong mimetypes for JSON

(When Possible) identify the js lib used against a DB of the latest versions of JS libs. (to understand the use of legacy code)
Identify, count how many times `navigator.userAgent` is used on the Web and a couple of other related thing.
WebKitCSSMatrix usage See https://bugzilla.mozilla.org/show_bug.cgi?id=717722
requestFullScreen vs requestFullscreen. See https://bugzilla.mozilla.org/show_bug.cgi?id=743198#c5

Ads before video and transition to video
EME required
List of video providers (stats for understanding if we need to focus our contacts actions toward some specific people)
List of JS libraries used for video players
Flash-only video (perhaps already covered in 1108668)
Media formats (ogg, mp4, h264, m3u8/HLS)
Media MIME types
- HTMLMediaElement.canPlayType()
- MediaSource.isSupportedType()
- MediaSource.addSourceBuffer(DOMString type)
Video dimensions
Compressed video sample sizes
Frame drops
Hardware or software decoders
Playing videos concurrently
Audio speaker configuration e.g. mono, stereo, 5.1
H264
- H.264 AVC profile info (profile/flags/level)
- FRext in SPS

@@ Line 5: / Line 5: @@
 [https://bugzilla.mozilla.org/show_bug.cgi?id=1109958 Bug 1109958] will serve as the meta tracking bug for all telemetry probes.
-=== Possible telemetry probes ===
+=== Idea bucket (sanity not guaranteed) ===
 ==== CSS ====