# Supported Browsers

Universal uses a variety of modern web frameworks and can have issues with older browsers such as Internet Explorer.

Recent versions of the following web browsers are supported: [Chrome](https://www.google.com/chrome/), [Firefox](http://www.mozilla.org/firefox/), [Safari](http://www.apple.com/safari/), and [Microsoft Edge](https://www.microsoft.com/en-us/windows/microsoft-edge).

When considering a browser, you will need to understand that certain features are required. They include:

* [WebSocket](https://caniuse.com/?search=websocket)
* [CSS Flexbox](https://caniuse.com/?search=flexbox)
* [Fetch](https://caniuse.com/?search=fetch)