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.

Compatibility

• 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
• Firefox for Android ❌ See bugzil.la/1751383
• Safari ❌ See webkit.org/b/267232
• Safari on iOS ❌ See webkit.org/b/267232

BCD data

• api.HTMLLinkElement.blocking
• api.HTMLScriptElement.blocking
• api.HTMLStyleElement.blocking
• html.elements.link.blocking
• html.elements.script.blocking
• html.elements.style.blocking