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[HTML] Implement HTML video and audio element lazy-loading via the loading attribute #46273

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Description

@Rumyra

Important

This issue will be worked on by MDN's core team of writers. If you want to contribute, please see the contributor board for issues where we're accepting pull requests.

Acceptance criteria

  • The listed features are documented sufficiently on MDN
  • BCD is updated
  • Interactive example and data repos are updated if appropriate
  • The content has been reviewed as needed

For folks helping with Firefox related documentation

Note

Release notes are now generated at the beginning of the cycle, so a review is all that should be needed for the task. Obviously if there is a gap, fill it.

  • Set bugs to dev-doc-complete
  • Review/add entry to Firefox release notes for enabled/preview features
  • Add/remove entry to Firefox experimental features page for preference/released features

Related Gecko bugs

  • Bug 2005072 — Implement HTML video and audio element lazy-loading via the loading attribute

Other

  • Check content open issues to see if any pertain to the subject matter. If there are any that can be closed because of the work, do so. If there are any that can be fixed relatively quickly because of the knowledge from completing this issue and you have time, feel free to go ahead and fix them.

Activity

  1. added theissue type on Oct 26, 2026
  2. added
    needs triageTriage needed by staff and/or partners. Automatically applied when an issue is opened.
    on Oct 26, 2026
  3. removed
    needs triageTriage needed by staff and/or partners. Automatically applied when an issue is opened.
    on Oct 26, 2026
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