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Browser Compatibility Testing of async attribute for external scripts

Test on Latest Desktop and Mobile Browsers For
async attribute for external scripts

async attribute for external scripts

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With LambdaTest you can test your websites on 2000+ browser and OS combinations for cross browser compatibility issues and ensure that your webpage fallbacks are working fine on browsers that do not support async attribute for external scripts.

All Browser Versions

BROWSER SUPPORT FOR async attribute for external scripts

Google Chrome

Chrome 4 to 7 doesn't supports. Chrome 8 to 70 supports async attribute for external scripts property.

Mozilla Firefox

Firefox 2 to 3.5 dosen't supports. Firefox 3.6 to 63 supports async attribute for external scripts property.

Internet Explorer

IE browser version 6 to 9 doesn't support. IE browser version 10 and 11 support async attribute for external scripts.

Safari

Safari browser version 3.1 to 4 doesn't supports. This property is not supported by default but can be enabled by Safari 5 version. Safari browser version 5.1 to 12 supportsasync attribute for external scripts.

Microsoft Edge

Microsoft Edge browser version 12 to 18 doesn't supports async attribute for external scripts.

Opera

Opera version 10.1 and 23 doesn't supports.Opera version 24 and 53 doesn't supports async attribute for external scripts.

Information sourced from

Can I use

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

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You can choose from a range of 2000+ desktop and mobile browsers including Chrome, Safari, Internet Explorer, Edge, Yandex, Opera, and Firefox allowing you to ensure that your customers get pixel perfect experience across all screen sizes, devices, operating systems, browsers, and resolutions.

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