Then I decided to pretend I time-traveled back to the 90s - now I just write HTML, by hand, with a simple CSS style.
If CSS was any more complicated, I would've just written pure text in HTML and decorated things with ascii art.
You can host these trivially on GitHub, but back in the day I also used nearlyfreespeech.net to host my static websites. I don't know if they are still alive and kicking, but if so, would recommend.
I've also realized that among my professional contacts, people are starting to blog technical articles on LinkedIn. I think that's probably a decent way to go as well if you want discoverability.