W3C Validator

W3C Validator is a powerful tool that checks the markup validity of Web documents in HTML, XHTML, SMIL, and other formats. By optimizing your code, it makes your website more accessible and user-friendly. It helps web developers and designers to create content that adheres to the latest web standards, which significantly improves your website's performance, SEO ranking, and overall user experience. The validator is easy to use, providing instant feedback and suggestions for code improvements. Additionally, the W3C Validator supports various document types and Web Accessibility guidelines, making it a versatile tool for all your website optimization needs.