Comment by xd1936
The OP doesn't link to Cloudflare's (repeated) explanation about this exact topic.
The OP doesn't link to Cloudflare's (repeated) explanation about this exact topic.
It's not hard to confirm, since the CEO posted this very reason 9 years ago. It's not exactly hidden on.. StackExchange, answering the very question:
"How can CloudFlare offer a free CDN with unlimited bandwidth?"
https://webmasters.stackexchange.com/questions/88659/how-can...
I suspect they also greatly benefit from developers using them for hobbies and suggesting that their workplace use them in turn. Though, that's much harder to track.