Around 2011, Google Maps worked without running Javascript code. Then something broke: the page worked fine except that the map did not appear.

For my own freedom's sake, I do not run the nonfree Javascript software sent by Youtube. I advise you to refuse likewise; what's directly at stake is your own freedom.

At present, there is a Firefox add-on to bypass that Javascript code. IceCat comes with that add-on by default. Youtube blocks access by Tor most of the time, but you can work around that by visiting one of the special Youtube-access sites which are offshoots of invidio.us. But we can't count on Google to let those methods continue to function.

To avoid leading other people astray, please don't refer to videos on Youtube. Although it is true that they could bypass the problem by as described above, I expect most users would view the Youtube page in their browsers with nonfree software. Let's not encourage that.

However, it is ok to refer to the same videos on an offshoot of invidio.us; just make sure not to choose one that is "protected" by Cloudflare, since that sends its own nonfree software. This way of referring is probably fail-safe: it may cease to work, but it will probably not start leading people to run nonfree software.

You don't need a special "platform" to post an audio or video on the Web. You can post an audio or video file on any web site. Just put up the WebM file and link to it as if it were an ordinary page. All graphical browsers can handle that.