https://keenhtml.com,Keen HTML,https://github.com/diegocard/awesome-html5#readme,HTML5 error: URLError(gaierror(8, 'nodename nor servname provided, or not known')) | reason: [Errno 8] nodename nor servname provided, or not known
https://developer.mozilla.org/en-US/docs/Archive/Add-ons/Overlay_Extensions/XUL_School/Local_Storage,Local storage tutorial,https://github.com/diegocard/awesome-html5#readme,HTML5 error: <HTTPError 404: 'Not Found'> | reason: Not Found
https://www.innoarchitech.com/what-is-webrtc-and-how-does-it-work/,What is WebRTC and how does it work,https://github.com/diegocard/awesome-html5#readme,HTML5 error: <HTTPError 404: 'Not Found'> | reason: Not Found