I don't follow any blogs particularly consistently/regularly, but the one that I find myself coming back to at intervals is Raymond Chen's The Old New Thing. It's got a pretty heavy programming focus, but also occasionally covers interesting little trivia from Windows history. I'm not a professional coder, and I no longer even do any coding as a hobby, so take it from me when I say that there's content of interest to programmers and non-programmers alike.
This is going to be a pretty fast and loose definition of blog, but I like sharing cool stuff. Some of these links will link to a particular post on that blog — this is if there's a particular post I really like there, or what first led me to that blog.
"A Collection of Unmitigated Pedantry" by Historian Brett Devereux. https://acoup.blog/2019/05/10/collections-the-siege-of-gondor/
He's especially good at military history, which is why I linked to his series on the Siege of Gondor from Lord of the Rings. I also enjoy his series on pop-culture misconceptions around Sparta
https://statmodeling.stat.columbia.edu/
It's a blog by the Statistician Andrew Gelman (and others who guest write). This is one of the more academic ones, so only likely to be fun if you're a particular kind of nerd
https://gretzuni.com/
Dense philosophy stuff about technology. This person is an academic. N.b. I am a scientist, not a philosopher, so I am less good at vetting philosophy takes. I enjoy it though
https://datacolada.org/
"Thinking about evidence, and vice versa". These guys do a lot of cool stuff on science methodology, like meta-analyses. They were so good at their job that they got sued. I really like them
https://karl-voit.at/
Blog about personal computing information systems. This guy was the one who first piqued my interest about Emacs a bunch of years ago (Emacs is a very old text editor with an insane amount of customisability and an even more insane learning curve)
special mention to Richard Herring, who I think has the longest-running daily updated blog on the Internet - he's written every day for like... 15+ years now. The blog has moved to substack recently though