15 Tools for Testing your Website. If you want to have the same experience over multiple browsers and different machines then testing your website is vital.
In this article I’ve gathered some of the most important tools that you can use in testing your site against various errors – CSS Errors, HTML Errors, Cross-browsing Errors etc. Validators 1. HTML Validator This HTML Validator – checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc. Welcome. Start simple.