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Support as=fetch in navigation early hints preload

Category

Network / Connectivity

Type

Chromium catches up

Status

In development (Chrome In development)

Intent stage

None

• Breaking change: No
• Enterprise impact: None
• Spec maturity: Published standard
• Web Platform Tests: No

WPT details: There is an ongoing CL to add Web Platform Tests.

Summary

Support <link rel=preload as=fetch> in navigation early hints. This allows web developers to preload resources that are fetched by the fetch() API.

Standards & signals

• Specification: https://html.spec.whatwg.org/multipage/semantics.html#attr-link-as
• Firefox: In development
• Safari: No signal — Previously asked in https://lists.webkit.org/pipermail/webkit-dev/2021-May/031861.html
• Web developers: No signals — We got this feature request from one of our partners.
• Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1408649

Ecosystem

• Web Platform Tests: https://wpt.fyi/results/?q=support-as-fetch-in-navigation-early-hints-preload
• Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
• GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
• chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+Support%20as%3Dfetch%20in%20navigation%20early%20hints%20preload
• MDN Web Docs: https://developer.mozilla.org/en-US/search?q=Support%20as%3Dfetch%20in%20navigation%20early%20hints%20preload
• Baseline status: https://webstatus.dev/?q=Support%20as%3Dfetch%20in%20navigation%20early%20hints%20preload

View on chromestatus.com