CDN Perf has a great tool for checking the current performance of different content delivery networks. Cloudflare, the CDN offered by 1&1 web hosting, ranks near the middle of the pack. Azure, AWS and Google Cloud are all on the list as well.
While there is only milliseconds difference, it's pretty cool to see who leads the pack for each global location. Depending on the results from Cloudflare, I may test out Google Cloud. It's hard to beat Google and more integration with in their system, typically, the better the results.
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