Supported Browsers and Platforms
Code.org takes a tiered approach to the level of support we provide for different browsers and platforms to ensure we are building a stellar experience for most of our users, and an acceptable experience for the rest.
We recommend at least a 15 Megabit per second Internet connection for your classroom. Code.org tutorials are compatible with any modern laptop or desktop, tablet devices such as iPads, and Chromebooks!
We support the following combinations of operating systems and browsers:
|
Browser |
Operating System |
|
Chrome 33.x and higher |
XP & Windows 7 and higher Mac OS 10.6 and higher Android 4.1.2 and higher |
|
Safari 7.0.x and higher |
Mac OS 10.6 and higher iOS 7.x and higher |
|
Internet Explorer 11 and higher |
Windows 7 and higher Mac OS 10.6 and higher |
|
Microsoft Edge |
Windows 10 and higher |
|
Firefox 25.x and higher |
Windows 7 and higher |
Note that all CS Principles and CS Discoveries courses are not compatible with tablets or mobile devices - a full keyboard and mouse are required.
Sites to Whitelist
For the very best experience with all Code.org content, we recommend consulting with your school or district's IT department to ensure the following sites are whitelisted and aren't blocked.
|
Priority |
URL |
| Required |
https://code.org https://*.code.org
|
|
Optional |
https://cdn.optimizely.com https://www.google-analytics.com |
|
To use YouTube hosted videos |
https://s.youtube.com/* https://www.youtube.com/* https://*.googlevideo.com https://*ytimg.com |
|
To use Code.org hosted videos |
Unblock: https://videos.code.org Block: https://www.youtube.com/favicon.ico |
|
To use Internet Simulator (in CS Principles) |
https://api.pusherapp.com wss://ws.pusherapp.com |
Videos
All of our curriculum incorporates videos hosted on YouTube, though many schools block YouTube for students. In the event your school's network blocks YouTube, Code.org will default to a fallback video player. You can test your browser's settings to see if YouTube is blocked and to verify that fallback video player will work for your classroom at code.org/educate/IT.
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