1 # This Source Code Form is subject to the terms of the Mozilla Public
2 # License, v. 2.0. If a copy of the MPL was not distributed with this
3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 # Adding a new metric? We have docs for that!
6 # https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/new_definitions_file.html
9 $schema: moz://mozilla.org/schemas/glean/metrics/2-0-0
11 - 'Core :: DOM: Core & HTML'
14 largest_contentful_paint:
15 type: timing_distribution
16 time_unit: millisecond
18 Time from navigation start to largest contentful paint.
20 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
22 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
24 - perf-telemetry-alerts@mozilla.com
26 telemetry_mirror: PERF_LARGEST_CONTENTFUL_PAINT_MS
27 largest_contentful_paint_from_response_start:
28 type: timing_distribution
29 time_unit: millisecond
31 Time from response start to largest contentful paint.
33 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
35 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
37 - perf-telemetry-alerts@mozilla.com
39 telemetry_mirror: PERF_LARGEST_CONTENTFUL_PAINT_FROM_RESPONSE_START_MS
43 Recorded when a top level content document has been loaded.
45 - https://bugzilla.mozilla.org/show_bug.cgi?id=1759744
46 - https://bugzilla.mozilla.org/show_bug.cgi?id=1799727
47 - https://bugzilla.mozilla.org/show_bug.cgi?id=1834774
48 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939
50 - https://bugzilla.mozilla.org/show_bug.cgi?id=1759744#c5
51 - https://bugzilla.mozilla.org/show_bug.cgi?id=1799727#c4
52 - https://bugzilla.mozilla.org/show_bug.cgi?id=1834774#c3
53 - https://bugzilla.mozilla.org/show_bug.cgi?id=1862939#c5
55 - perf-telemetry-alerts@mozilla.com
56 - dpalmeiro@mozilla.com
61 "Time between loadEventStart and navigationStart, in ms."
66 "Time taken to perform dns lookup of the top level document, in ms."
71 "Time between responseStart and navigationStart, in ms."
76 "Time between firstContentfulPaint and navigationStart, in ms."
81 "Time between largestContentfulPaint and navigationStart, at the point of onLoad firing, in ms. This may differ from the final LCP value as reported through the LCP histogram."
86 "Time spent executing JS during page load, in ms."
92 "Time spent in redirections for the top level document."
96 "Number of redirections for the top level document."
101 "One of normal,reload,stop,link,history,error or other."
105 "If true, a normal navigation was performed on the same origin."
109 "Version of HTTP protocol used."
123 Counts how many times we do not resolve a blob URL
124 because of different partition keys
126 - https://bugzilla.mozilla.org/show_bug.cgi?id=1843158
128 - https://bugzilla.mozilla.org/show_bug.cgi?id=1843158
134 telemetry_mirror: BLOBURL_RESOLVE_STOPPED