Google's Gary Illyes clarifies why resource hints do not influence Googlebot's crawling behavior, and notes that HTML ...

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 ...

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 ...

Many top websites have invalid homepage HTML, yet still rank well. Machine-readable elements must be accurate, even if the rest of the HTML isn’t. SEO success depends on user-focused strategy, not ...

When Google updated their Webmaster Guidelines yesterday, one of the changed was changes was around valid HTML. Before it read, "Check for broken links and correct HTML." and now it reads "Ensure that ...

Writing code to validate Web-form input can be even more of a chore than implementing form-processing logic. But help is at hand, thanks to the Struts 2 framework. Oleg Mikheev looks under the hood of ...

We say that Tim Berners-Lee invented the World Wide Web, and that's certainly true. But, we can boil the Web down to three specific technologies: URLs (for uniquely identifying resources on the ...

When validating my HTML at wc3, I'm getting errors on the input fields saying "Error: element "input" not allowed here; possible cause is an inline element containing a block-level ...

I don’t use a massive IDE. These three lightweight tools handle writing, version control, and validation on every HTML project.