Chapter 3: CSS Debugging and Optimization: Code Quality Tools

by Tiffany B. Brown

The following introduction to CSS code-quality tools is an extract from Tiffany’s new book, CSS Master, 2nd Edition.

On your road to becoming a CSS master, you’ll need to know how to troubleshoot and optimize your CSS. How do you diagnose and fix rendering problems? How do you ensure that your CSS creates no performance lags for end users? And how do you ensure code quality?

Knowing which tools to use will help you ensure that your front end works well.

In this article, we’ll discuss tools that help you analyze the quality of your CSS. We’ll focus on two:

  • stylelint
  • UnCSS

stylelint is a linting tool. A linter is an application that checks code for potential trouble ...

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