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The <fencedframe> element embeds another HTML page into the current page in a more secure and privacy-preserving way than <iframe> elements.

Status

Limited availability

This feature received a negative standards position from at least one browser vendor. It's very unlikely to ever become Baseline in this current form.

MDN documentation

Fenced Frame API

Specifications

Fenced Frame, from Web Platform Incubator Community Group (W3C).

Browser support

Chrome 128 Released on 2024-08-20
Chrome Android 128 Released on 2024-08-20
Edge 128 Released on 2024-08-22
Firefox ❌ Vendor position : negative (concerns: complexity, privacy, security, use cases)
Firefox for Android ❌ Vendor position : negative (concerns: complexity, privacy, security, use cases)
Safari ❌ Vendor position : blocked
Safari on iOS ❌ Vendor position : blocked

Usage (according to Chrome Platform Status)

~4.581% of page loads. More data at chromestatus.

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