CSS Validation

CSS validation is the process of checking the code against the formal guidelines and standards set by the Wide Web Consortium (W3C) for CSS document.

Why Validate Your CSS Code

As a beginner, it is very common that you will make mistake in writing your CSS code. Incorrect or non-standard code may cause unexpected results in how your page displayed or functions in a web browser.

The World Wide Web Consortium (W3C) has created a great tool https://jigsaw.w3.org/css-validator/ to automatically check your style sheets, and point out any problems/errors your code might have, such as invalid CSS property missing closing bracket or missing semicolon (;) etc. It is absolutely free.

Validating a Website

Website validation is the process to ensure that the pages of a website conform to the formal guidelines and standards set by the World Wide Web Consortium (W3C).

There are several specific reasons for validating a website, some of them are: