Wikipedia viewer and Twitch

Hi everyone, I have just finished the Twitch and Wikipedia Viewer projects and I would love some feedback on the code.

You can find them here:

However I ran into a CORS issue with both projects which I overcame by adding a chrome extension which allowed cross origin resource sharing. I’d really like to know how to overcome address this issue properly though as my projects work on my own machine due to the chrome extension but not on others.

Any advice is much appreciated!