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 ...

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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 ...

The IAB Technology Laboratory recently released the HTML5 Ad Validator, an online tool that allows for testing of mobile and desktop ad creative against the IAB Display Creative Guidelines. It offers ...