Probably reductive but in my head Cloudlfare and Cloudfront are the only 2 "mega large" CDNs and, to your point, I've only ever heard about Fastly in the contex

Probably reductive but in my head Cloudlfare and Cloudfront are the only 2 "mega large" CDNs and, to your point, I've only ever heard about Fastly in the context of outages.