RightWebPage is a free program that verifies and corrects many aspects of websites to conform with International Standard ISO/IEC 23026:2006.

Amongst other things, RightWebPage can verify a single page or entire web site of your choosing.

It can perform HTML Validation against W3C DTDs and WHATWG (X)HTML5 pre-release schemes as well take a visualization of a snapshot with a given character encoding.

Make sure that your website measures up to international standards with RightWebPage.