W3Clove is a free web based html validation tool, As you know the official W3C validation tool is a great place for checking and validation for XHTML/HTML.
The main difference between W3C and W3Clove is W3C validator can validate a single URL at a time, W3Clove crawl your whole website there is no need to manually submit all your URLs. Just enter your home page URL and W3Clove makup validator scrape it to gets internal links. W3Clove validate each of the links on the official W3C validator.
The errors and warnings for each URL is stored and displayed as a list. And, it compiles a basic report of the most common errors and warnings as a summary.
