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 ...

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 ...

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 ...

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 ...

As parents, we have all been in the situation where we don't understand why our child is losing it over something that seems so minor. The same could be said for sometimes not getting it when it comes ...

A recent tweet from Google’s Gary Illyes called attention to problem of invalid HTML. Google is fine with invalid HTML. Less well known is that there are negative outcomes associated with invalid HTML ...

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 ...

In the frenzy of high-speed Web page development and short turnaround times, we Java developers tend to forget some of the most common and very simple practices that, if followed, could save us from a ...

The topic of HTML validation has been covered here time and time again - we know Google doesn't downgrade or boost a web site with bad or good HTML validation. We also know that there are cases were ...