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Pro Website Development and Operations: Streamlining DevOps for large-scale websites by Matthew Sacks

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CHAPTER3

Web Testing Practices

Testing a web application requires not only testing the site itself, but also looking at the various application metrics at every layer of the stack. It’s like building an aircraft: each part of the aircraft has to be engineered and tested for safety before it is made a part of the whole. Once each subsystem has been developed and tested, they can all be assembled into the finished product for a test flight. With such a complex system, it only makes sense to be sure you can trust the individual parts before you assume the finished product will get you off the ground.

A website is similar. It too is made up of various components and subsystems, such as the network, database, application logic, and front end, arranged ...

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