Here is a link to the blog post since I didn’t see it mentioned

https://www.slqnt.dev/blog/hl2-in-web

Yeah probably better to link to this instead, else everyone clicking will start downloading the big files.

How (why) does that site block reader mode... At least on Firefox Android it offers the reader mode button, but turning it on just redirects back to the page (which is too wide, hence the reader mode attempt)