A few people have asked me what I did to make this so fast.
The answer is: nothing.
I just didn't add anything to make it slow.
I kept it simple.
The pages are pre-rendered.
The CSS is inlined.
I didn't add unnecessary javascript.
The work was done before you got there.
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.