Old youtube mobile site. If you go through old archives on the way back machine you can find what the old YouTube layout looked like on mobile and then try to replicate it on here.

localization allow us to change the language and date/time formats of the website.

Live Streaming Even if it was in 240p, I'd still use it

AudioSwap add a feature that is like the old audioswap feature on old youtube with (almost) all the old songs like for example dreamscape paralyzer with a spirit and bodies

vidlii streams old utube feature that was basically a prototype of cytube built into youtube itself