HTML Lint is the free online validator and reformatter tool for HTML ✅, a lightweight interchange format ✅. Copy and paste or directly type in the editor and let HTMLLint format and validate your HTML code ✅.
We don't store any tracking cookies 🍪 And we do not store any input data. Your code is your ownership, we just make it prettier for you ✅.
css-formatter parses and validates your CSS. We’re checking for industry standards. And this will improve readability of your code.
Linting HTML source code improves readability for your fellow developers and for yourself. It becomes clear where the several sections, headings, paragraphs, forms and buttons are.
In the year 2021 Google introduced Core Wev Vitals. It’s a way of measuring a page’s health based on a number of factors like page speed, readability, structured data and cumulative layout shift. The layout shift in this instance could not be bigger than 20% of the page’s height. If it’s greater that 0.2 Google will penelize your website for it. To calculate and visualize the layout shift of your page visit CLS-test.com.