Add container-timing

[browser-specs-bot]

URL

https://wicg.github.io/container-timing/

Rationale

• See repository: WICG/container-timing
• Would-be shortname: container-timing

Additional properties

{}

[browser-specs-bot]

Changes to index.json

This update would trigger the following changes in index.json:

Add spec (1)

{
  "url": "https://wicg.github.io/container-timing/",
  "seriesComposition": "full",
  "shortname": "container-timing",
  "series": {
    "shortname": "container-timing",
    "currentSpecification": "container-timing",
    "title": "Container Timing API",
    "shortTitle": "Container Timing API",
    "nightlyUrl": "https://wicg.github.io/container-timing/"
  },
  "organization": "W3C",
  "groups": [
    {
      "name": "Web Platform Incubator Community Group",
      "url": "https://www.w3.org/community/wicg/"
    }
  ],
  "nightly": {
    "url": "https://wicg.github.io/container-timing/",
    "status": "Editor's Draft",
    "alternateUrls": [],
    "repository": "https://github.com/WICG/container-timing",
    "sourcePath": "index.bs",
    "filename": "index.html"
  },
  "title": "Container Timing API",
  "source": "spec",
  "shortTitle": "Container Timing API",
  "categories": [
    "browser"
  ],
  "standing": "good"
}

Tests

These changes look good! 😎

Crawl results for Container Timing API

Crawl summary:

• Title: Container Timing API
• Authoring tool: bikeshed
• Date: 18 February 2026
• Revision ID: 8b79920a1c82b0da386411b620c9a9d5c56ea629
• Canonical URL: https://wicg.github.io/container-timing/
• Spec defines:
  • Algorithms: 8 found
  • Headings: 39 found
  • IDs: 284 found
  • Links: 13 rawlinks, 10 autolinks
  • References: 9 normative, 1 informative
  • Terms: 7 explicitly exported, 10 exported by default, 18 private
  • Web IDL: 2 names (or partials)
• No CDDL, CSS, Events definitions found

1 Web IDL name

• interface PerformanceContainerTiming (xref search)

1 extended Web IDL name

• interface Element (xref search)

7 explicitly exported terms

• container root, type dfn (xref search)
• ignored subtree, type dfn (xref search)
• painted region, type dfn (xref search)
• container timing API, type dfn (xref search)
• container root records map, type dfn (xref search)
• Container Timing Record for "Container Timing Record", type dfn (xref search)
• Contribute to container timing, type dfn (xref search)

[tidoust]

@browser-specs-bot pr