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- https://www.cdnperf.com/tools/cdn-calculator (needed to disable ad blocker for it to work)
CDNPerf provides a real-time performance analysis of all major CDN providers.
I have researched this space a lot, and my conclusions are:
- Cloudflare: the best all-in-one solution, as long as you don't go above the Business tier
- Fastly: the most technically advanced CDN, but also one of the most expensive ones (there is a reason why StackExchange and Reddit moved from Cloudflare to Fastly)
- KeyCDN: the best fully-featured value-for-money CDN, if you just want to replace AWS Cloudfront CDN / Google Cloud CDN / Azure CDN
- BunnyCDN: the best value-for-money CDN for distributing large static assets across the globe (can get as low as $0.0025 / GB)