Compatibility/Telemetry: Difference between revisions

Revision as of 00:54, 22 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.

These are the probes we want to try to land in Q1. Please only add to this list if you're willing to take on the required work.

WAP (WML or XHTMLMP) content sent to Fennec and Firefox OS users (see Bug 941241 and see also bug 997668)
Media formats (ogg, mp4, h264, m3u8/HLS)
Media MIME types
- HTMLMediaElement.canPlayType()
- MediaSource.isTypeSupported()
- MediaSource.addSourceBuffer(DOMString type)
H264
- H.264 AVC profile info (profile/flags/level)
- FRext in SPS

(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
window.getComputedStyle() see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
innerText is not available on Gecko but creates Web Compatibility issues such as Techcrunch webcompat

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)
Video dimensions
Compressed video sample sizes
Frame drops
Hardware or software decoders
Playing videos concurrently
Audio speaker configuration e.g. mono, stereo, 5.1

@@ Line 23: / Line 23: @@
 ==== CSS ====
 * `display: table` with `max-width: 100%` on children (see [https://bugzilla.mozilla.org/show_bug.cgi?id=434230 434230] and [https://bugzilla.mozilla.org/show_bug.cgi?id=975632%20 975632 ])
-* Webkit CSS Matrix see [https://bugzilla.mozilla.org/show_bug.cgi?id=717722 Bug 717722 - implement (WebKit)CSSMatrix() ]
 ==== HTTP ====
@@ Line 37: / Line 36: @@
 * requestFullScreen vs requestFullscreen. See https://bugzilla.mozilla.org/show_bug.cgi?id=743198#c5
 * window.getComputedStyle() see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+* innerText is [https://bugzilla.mozilla.org/show_bug.cgi?id=264412 not available on Gecko] but creates Web Compatibility issues such as [https://github.com/webcompat/web-bugs/issues/633 Techcrunch webcompat]
 ==== Video ====