With HTML forms submissions today, web developers typically must use JavaScript to ensure values are provided when required and are within appropriate ranges and types. HTML5 offers form field ...

Software that checks the validity of tags in an HTML document. Browsers treat errors differently, such as a start tag without an end tag, a lack of quotes or extra quotes. Unless an HTML page is ...

CSE HTML Validator Pro ($69 direct) is an impressive Windows tool for HTML validation, link checking, and more. Validator Pro combines a text editor and integrated Web browser with sophisticated and ...

Apple's decision to promote KDE's KHTML rendering engine and, by extension, the KHTML-based Konqueror to Major Browser status makes web standards important again. Webmasters who test in only Microsoft ...

Are you a print subscriber? Activate your account. By Jon Springer - 6 hours 24 min ago By Garett Sloane - 9 hours 51 min ago By Tim Nudd - 11 hours 57 min ago 12 hours 2 min ago By Ad Age and ...

Google has said many times that poor or invalid HTML validation doesn't impact rankings. Of course, web sites that don't work, a search engine cannot crawl. But if your site works but doesn't validate ...