HTML validation is the process of checking your HTML code for errors, bugs, and compliance with the official standards and best practices. It can help you improve your code quality, performance ...

Learn how to validate your HTML code regularly and improve the quality, performance, and accessibility of your web design. Find out the benefits, limitations, and alternatives of HTML validation.

Now, let's see what a valid HTML file returns. Open the example_code_passing_validation.html file in a new tab. This will now be our new viewing tab; In your viewing tab, navigate View → Developer → ...

Most top-ranking websites fail HTML validation. Google explains why perfect code isn’t required, and what matters instead.

html-validate.runOnEdit: Run html-valide while you are editing a document. If set to false html-validate will only when a document is opened or saved. html-validate.rulesPath: Path to rules file, ...

6 Reasons Google Advises to Validate HTML. 1. ... Valid HTML code will help assure that your site renders well across all browsers, including the version GoogleBot uses for rendering websites.

Code Validation and cleanup. There are many times when you could find that your site looks fine on Internet Explorer but not on all other browsers. This is because IE is very forgiving of incorrect ...