Web features explorer

Lazy-loading media

Limited availability

The loading="lazy" attribute for <video> and <audio> elements defers loading the media resource until the element is near the viewport. This matches the lazy-loading behavior for <img> and <iframe> elements.

Browser support (view on caniuse.com)

  • Chrome 150 Released on 2026-06-30
  • Chrome Android 150 Released on 2026-06-30
  • Edge 150 Released on 2026-07-02
  • Firefox Not supported Bugs: 2005072
  • Firefox for Android Not supported Bugs: 2005072
  • Safari Not supported Bugs: 303995
  • Safari on iOS Not supported Bugs: 303995
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MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~0.058% of page loads. More data at chromestatus.com.

Developer use cases

  • Lazy load videos that are not in the initial viewport. Lazy load videos that are not in the initial viewport. [see original comment]

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