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
HTML

async attribute for external scripts

Sign Up For Free

Test your Web App on LambdaTest

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
Real Time Testing on Chrome browser

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

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

Other Browsers to Choose From

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.
Checkout All Browsers

Try LambdaTest Now !!

Get 60 minutes of Live interactive testing every month FREE !! The only free for lifetime Cross Browser Testing Tool.

  • No Credit Card Required
  • Free Sign Up
  • Cancel Anytime

BENEFITS

Fastest Way for Cross Browser Testing

More Reasons To Love LambdaTest

It's not just about infrastructure, you get a whole range of complimentary features that will make your browser testing experience smoother and help you ship products faster.

Integrated developer tools

Integrated Debugging

Integrated developer tools to help you debug issues in live testing.
automated browser testing tools to test locally hosted websites

Locally Hosted
Web Testing

Local hosted web testing to save your website or web application from after deployment bugs.
Geo Location Testing

Geo Location
Testing

Test from different locations to make sure your users get perfect experience across all locations.

Ready to Get Started?

Signup to use LambdaTest, it's completely
free to get started with

  • No Credit Card Required
  • Free Sign Up
  • Cancel Anytime
...X

We use cookies to give you the best experience. Learn more in our Privacy & Terms of service.

Got it