# Cross Browser
**Context: [frontend-dev-bookmarks](../README.md) / Compatibility**
Cross-browser refers to the ability of a website, web application, HTML construct or client-side script to function in environments that provide its required features and to bow out or degrade gracefully when features are absent or lacking.
[](http://frontend.directory/)
[](https://gitter.im/dypsilon/frontend-dev-bookmarks)
[](https://twitter.com/FrontendDir)
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+ **[Can I use ... ?](http://caniuse.com/)**: "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
+ **[Dev Tools by Microsoft](https://developer.microsoft.com/en-us/microsoft-edge/tools/)**: These tools allow you to test your product on different version of Internet Explorer and Microsoft Edge.
+ **[HTML5 Cross Browser Polyfills](https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills)**: So here we're collecting all the shims, fallbacks, and polyfills in order to implant HTML5 functionality in browsers that don't natively support them.
+ **[HTML5 Please](http://html5please.com/)**: Look up HTML5, CSS3, etc features, know if they are ready for use, and if so find out how you should use them – with polyfills, fallbacks or as they are.
+ **[Modernizr](https://modernizr.com/)**: It’s a collection of superfast tests – or “detects” as we like to call them – which run as your web page loads, then you can use the results to tailor the experience to the user.
+ **[Normalize.css](http://necolas.github.io/normalize.css/)**: A modern, HTML5-ready alternative to CSS resets.
+ **[Polyfill.io](https://polyfill.io/)**: Just the polyfills you need for your site, tailored to each browser.
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# License
This work is licensed under a Creative Commons Attribution 4.0 International License.
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