blocking="render"
The blocking="render" attribute for <link>, <script>, and <style> elements blocks rendering until the external script or stylesheet has been loaded. For <link rel="expect">, rendering is blocked until a specific element is in the DOM.
Status
Limited availability
MDN documentation
No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.Specifications
- HTML (#blocking-attributes), from HTML Workstream (WHATWG).
Browser support
- Chrome 105 Released on 2022-09-02
- Chrome Android 105 Released on 2022-09-02
- Edge 105 Released on 2022-09-01
- Firefox ❌ See bugzil.la/1751383 Vendor position : positive
- Firefox for Android ❌ See bugzil.la/1751383 Vendor position : positive
- Safari 18.2 Released on 2024-12-11
- Safari on iOS 18.2 Released on 2024-12-11
Baseline availability blocked since December 2024 by Firefox (8 months)
Developer signals
- State of HTML 2024: features/all_features question
- State of HTML 2024: content/content_features question
- State of HTML 2023: reading_list/reading_list question
- State of HTML 2023: features/all_features question
- State of HTML 2023: content/content_features question
Usage (according to Chrome Platform Status)
~10.234% of page loads. More data at chromestatus.
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