This tool https://www.wappalyzer.com/ will tell you.

Won't tell you anything about the static site generator they use, or much else about the HTMl that's returned was made, even what program spit it out-- the information usually just isn't there :p

They've got a post on their workflow here: https://andreyorst.gitlab.io/posts/2022-10-16-my-blogging-se...

Yes, I expected to be corrected on this. Thank you.

Thank you a lot, exactly what I wanted to know :)

Right-click -> Show source