Speculation rules
Speculation rules are hints to the browser to proactively download pages in the background so they appear instantly when the user navigates to them.
Status
Limited availability
MDN documentation
Specifications
Browser support
- Chrome 109 Released on 2023-01-10
- Chrome Android 109 Released on 2023-01-10
- Edge 109 Released on 2023-01-12
- Firefox ❌ See bugzil.la/1969396 bugzil.la/1969838 Vendor position : neutral (concerns: complexity)
- Firefox for Android ❌ See bugzil.la/1969396 bugzil.la/1969838 Vendor position : neutral (concerns: complexity)
- Safari ❌ See webkit.org/b/295193
- Safari on iOS ❌ See webkit.org/b/295193
Developer signals
- State of HTML 2025: reading_list/reading_list question
- State of HTML 2025: features/all_features question
Usage (according to Chrome Platform Status)
~11.577% of page loads. More data at chromestatus.com.
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist