Chapter 2: Testing Tools

Admitting your site has a performance problem is the first step on the road to recovery! This chapter provides a list of testing tools to help you understand issues using real data, showing how:

  1. the largest assets can be discovered
  2. the slowest network responses can be identified
  3. the reasons for poor browser performance can be diagnosed

It may be necessary to run tests a few times to establish a measurable performance baseline. The same tests can then be rerun to evaluate performance improvements—or deteriorations—after code has been updated.

Create a Test Plan

You should test your websites and applications for defects, ease of use, accessibility, quality assurance, and other factors. Evaluating performance is no different, ...

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