Fetch priority
Newly Available (since 2024-10-29)
Expected to be Widely Available on 2027-04-29
The fetch() priority option and the fetchpriority HTML attribute give hints to the browser about which requests to do before other requests of the same type.
Browser support
- Chrome 103 Released on 2022-06-21
- Chrome Android 103 Released on 2022-06-21
- Edge 103 Released on 2022-06-23
- Firefox 132 Released on 2024-10-29
- Firefox for Android 132 Released on 2024-10-29
- Safari 17.2 Released on 2023-12-11
- Safari on iOS 17.2 Released on 2023-12-11
MDN documentation
Specifications
- Fetch (#request-priority), from Fetch Workstream (WHATWG).
- HTML (#fetch-priority-attributes), from HTML Workstream (WHATWG).
Usage (according to Chrome Platform Status)
~40.745% of page loads. More data at chromestatus.com.Web Platform Tests (WPT)
View the latest WPT test results for this featureSurveys
- State of HTML 2025 > performance > performance features
- State of HTML 2025 > features > all features
- State of HTML 2025 > all features > all features
- State of HTML 2024 > reading list > reading list
- State of HTML 2024 > features > all features
- State of HTML 2024 > content > content features
- State of HTML 2023 > reading list > reading list
- State of HTML 2023 > features > all features
- State of HTML 2023 > content > content features
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