Validation, Cross-browser checking
Make sure it validates and works in most browsers. See also the
Mobile accessibility section for phone/pda-specific validators.
| HTML 2 Txt See what your website looks like to a text-only browser such as lynx and some search engine spiders |
| Header Checker See what HTTP headers your site sends out, check for correct mime types, 301 redirection etc |
| Walidator Validate CSS, HTML, RSS, RDF, XHTML, etc |
| WebXCACT Test your site for quality, accessibility, and privacy issues |
| Favicon validator Make sure your favicon file, link etc are all working cross browser. |
| Selenium Test your web application across a wide range of web browsers. [free, open source] (Thx Ricky L.) |
| Vischeck Simulate different types of color vision and colorblindness to see what your webpage looks like to people with these conditions. |
| Color Filter See what a webpage looks like to the colorblind. |