40k visits and only 1 donation. Not that I complain or that I think he deserves more or less, just interesting to see the ratio.
I had a similar experience with one of my GitHub repos [0] that is currently 9k+ stars. I added donation link when it was about 5k stars (after it went viral courtesy HN). But this was before GitHub sponsors. I removed donation links after I got only a single donation in about a year.
I had much better results when I started converting my tutorials into ebooks and sold them. Obviously having a paid product is different, but I'm referring to the paid sales I got whenever I put up 'pay what you want' offer.
[0] https://github.com/learnbyexample/Command-line-text-processi...