Stack Overflow has seen a substantial decline in traffic over the last year that appears to be accelerating. https://observablehq.com/@ayhanfuat/the-fall-of-stack-overflow
Honestly, I put some effort into get some of their reputation points. Then I asked one question that I didn’t realize was dumb and I can’t post questions anymore. You’re welcome to see my profile and try to figure out how I did it 👍