damrnelson.github.io/github-historical-uptime/

A lot of this is GitHub Actions alone, but a lot of it isn’t. I also don’t know how well GitHub tracked outages before the Microsoft acquisition. It’s entirely possible the graph looks so bad because they only took outage tracking seriously after being acquired. I don’t know.

Further related discussion on Hacker News: news.ycombinator.com/item?id=47925317