It's Not You; A Big Chunk of Being a QA IS Defect Localization | HackerNoon
Briefly

Defect localization is crucial for QA efficiency as it serves to pinpoint where and when issues occur, helping teams avoid wasting time and context.
Think of defect localization as navigating a labyrinth, where application requests and logs are your guide, but having an architectural map makes the process much easier.
Understanding application architecture is essential; it reveals how various components of the system interact, guiding us through the complexities of client-server and backend dynamics.
Client-server architecture can be categorized into thin and thick clients, which dictates how information is processed, either mainly on the server or the client.
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