I'm delighted that I was mentioned twice in the blog post! :-)
I implemented it as a desktop software, it's available for Linux and Windows, it keeps your personal data on your local computer, no cloud communication, FLOSS.
https://en.wikipedia.org/wiki/Web_of_trust
Possibly, this will give it a boost again.
You could use your HTML skills, rent a cheap virtual server with nginx, and buy a web domain. Advantage: You are not dependent on the existence of a free platform provider, so your blog will still exist in 10 years.
Reminds me of broot (https://dystroy.org/broot/).