Test on Mozilla Firefox 54
Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 54. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.
ELEMENTS NOT SUPPORTED IN FIREFOX 54 BROWSER
CSS font-rendering controls
@font-face descriptor (currently defined as font-display) that allows control over how a downloadable font renders before it is fully loaded.
CSS Device Adaptation
A standard way to override the size of viewport in web page using the @viewport rule, standardizing and replacing Apple's own popular viewport implementation.
Explicit descendant combinator >>
An explicit, non-whitespace spelling of the descendant combinator. A >> B is equivalent to A B.
Media Queries: interaction media features
Allows a media query to be set based on the presence and accuracy of the user's pointing device, and whether they have the ability to hover over elements on the page. This includes the pointer, any-pointer, hover, and any-hover media features.
Method of displaying a reflection of an element
seamless attribute for iframes
The seamless attribute makes an iframe's contents actually part of a page, and adopts the styles from its hosting page. The attribute has been removed from both the WHATWG and the W3C HTML5 specifications.
Method of easily creating custom dialog boxes to display to the user with modal or non-modal options. Also includes a ::backdrop pseudo-element for behind the element.
Method of including and reusing HTML documents in other HTML documents.
CSS Paint API
Allows programmatic generation of images used by CSS
When used on an anchor, this attribute signifies that the browser should send a ping request the resource the attribute points to.
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 Browsers to Choose From
You can choose from a range of 1400+ desktop and mobile browsers including Internet Explorer, 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.
Fastest Way for Cross Browser Testing
You can test your website for cross browser compatibility across all Firefox browser versions using LambdaTest
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Check your website on all Safari browser on Mac and Windows for cross browser compatibility with LambdaTest
Perfrom cross browser testing of your website/ web app across all IE verions using LambdaTest
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