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There is a simple python script I use to speed test CDNs. It’s open-sourced under the MIT license. The repository is: https://://github.com/speedtestdemon/speed-tests and the python script is “test.py” The script takes a single input “URL” and tests cold cache, hot cache, cold cache and warm cache. The response headers are important to see the header that reports ‘Hit’, ‘Miss’ or ‘RefreshHit”