# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# Adding a new metric? We have docs for that!
# https://firefox-source-docs.mozilla.org/toolkit/components/glean/user/new_definitions_file.html

---
$schema: moz://mozilla.org/schemas/glean/metrics/2-0-0
$tags:
  - 'Core :: DOM: Core & HTML'

perf:
  page_load:
    type: event
    description: >
        Recorded when a top level content document has been loaded.
    bugs:
      - https://bugzilla.mozilla.org/show_bug.cgi?id=1759744
    data_reviews:
      - https://bugzilla.mozilla.org/show_bug.cgi?id=1759744#c5
    notification_emails:
      - perf-telemetry-alerts@mozilla.com
      - dpalmeiro@mozilla.com
    expires: never
    extra_keys:
      load_time:
        description:
          "Time between loadEventStart and navigationStart, in ms."
        type: quantity
        unit: ms
      response_time:
        description:
          "Time between responseStart and navigationStart, in ms."
        type: quantity
        unit: ms
      fcp_time:
        description:
          "Time between firstContentfulPaint and naviationStart, in ms."
        type: quantity
        unit: ms
      js_exec_time:
        description:
          "Time spent executing JS during page load, in ms."
        type: quantity
        unit: ms
      load_type:
        description:
          "One of normal,reload,stop,link,history,error or other."
        type: string
    telemetry_mirror: Page_load_Toplevel_Content