What are the advantages and disadvantages (if any) of making sure that all pages validate compared to having non-valid HTML that however works on all major browsers? Also, is having valid HTML after ...
Should validation meta tags for search engines be left on the site following validation? For example, should I leave my msvalidate meta tag after I've validated the site.
Possible Duplicate: How can I prevent spam on sites which I control? ReCaptcha is all the rage at the moment, Based on customer/user feedback, what other captcha or general human ...
Can a page's HTML validity affect search engine optimization (SEO)? Assuming all other factors are exactly equal, will an HTML document with 0 errors and 0 warnings (W3C provides a tool to validate ...
When I'm developing a website locally sometimes I want to check if the html is valid but I haven't been able to find a good tool. I want it partial as a sanity check when I'm troubleshooting layout ...