Browser Compatibility Testing of Feature Policy

Get Started

Browser Compatibility Testing For CSS text-stroke and text-fill

Feature Policy

This specification defines a mechanism that allows developers to selectively enable and disable use of various browser features and APIs.

Sign Up For Free

online web app testing


Test your Web App on LambdaTest

With LambdaTest you can test your website 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 Feature Policy.

All Browser Versions

Real Time Testing on Chrome browser


Google Chrome

Chrome version 4 to 59 does not support Feature Policy. Chrome 6 to 15 partially supports Feature Policyproperty. Chrome 60 to 67 partially supports Feature Policyproperty. Supported through the Feature-Policy header and allow attribute on iframes. JS API support is available in Chrome 64+ by enabling the "Experimental Web Platform features" feature flag in under about:flags.

Mozilla Firefox

Feature Policy not supported by Mozilla Firefox browser version 2 to 61.

Internet Explorer

IE browser version 6 to 11 doesn't support Feature Policy.


Safari browser version 3.1 to 5 doesn't support Feature Policy. Safari browser version 5.1 to 11.1 partially supports Feature Policy. Partial support refers to not supporting ::backdrop, and supporting the old :full-screen syntax rather than the standard :fullscreen.

Microsoft Edge

Microsoft Edge browser version 12 to 17 is not supported for feature-policy.


Opera version 10.1 to 46 doesn't support Feature Policy. Opera 15 to 53 partially supports Feature Policy. Opera 47 to 53 partially supports Feature Policy.

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.

Other Browser Elements and Properties

All websites and webapps use collections of a lot of browser technologies and elements. Not all of these elements are supported by all browsers and browser versions. At LambdaTest you can test your website on all browsers and browser versions and easily debug browser compatibility issues in real time.

Checkout All Elements


Fastest Way for Cross Browser Testing

Test your website on Firefox

You can test your website for cross browser compatibility across all Firefox browser versions using LambdaTest

Test your website on Chrome

Perform cross browser testing of your website/ webapp across all Chrome browser versions using LambdaTest

Test your website on Safari

Check your website on all Safari browser on Mac and Windows for cross browser compatibility with LambdaTest

Test your website on IE

Perfrom cross browser testing of your website/ web app across all IE verions using LambdaTest

Free Plan With 60 Minutes of Live Testing

Our plans starts with a free plan where you access to all features and free 60 minutes of live testing per month.

Scale As You Go

Need support for a larger team? We have very flexible plans and if they don’t suffice, leave us a message here, and we would help you out.