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 ...

In December, Google told us they would move its structured data testing tool from Google's site to the Schema.org domain. This was after it first said it will deprecate the tool, since Google only ...

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 ...