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Tags: api html http

Speculation rules are hints to the browser to proactively download pages in the background so they appear instantly when the user navigates to them.

Learning resources on MDN

Speculation Rules API

Browser support

Chrome 127 Released on 2024-07-23
Chrome Android 127 Released on 2024-07-23
Edge ❌
Firefox ❌ Vendor position : neutral (concerns: complexity)
Firefox for Android ❌ Vendor position : neutral (concerns: complexity)
Safari ❌
Safari on iOS ❌

Origin trials

Origin trials let you try experimental features on your production website and give feedback to browser vendors. This feature currently has the following origin trials available:

SpeculationRulesTargetHint on Chrome 135 to 140. Register for this origin trial. Provide feedback about this origin trial.

Usage (according to Chrome Platform Status)

~3.526% of page loads. More data at chromestatus.

Specifications

Speculation Rules, from Web Platform Incubator Community Group (W3C).
Prerendering Revamped, from Web Platform Incubator Community Group (W3C).

View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature