“I use a CDN that does this performance stuff automatically. Why do I need to worry about monitoring and optimizing my site myself?” It’s a fair question and one we hear often. Presumably users invest in these systems to automatically address some of the “lowest hanging fruit” types of performance bugs. More power to them!However, as a rule, no automated system can fully preclude intervention by flesh and blood humans. When was the last time you were able to complete a transaction at your favorite big-box grocer’s automatic che...

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