When writing software to crank out HTML automatically, it's worth the extra time to feed the output through the Validator to make sure it's right from the ground up, instead of having to troubleshoot ...

What does HTML validator actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

However there are valid reasons why you should consider valid HTML. Related: W3C Validator: What It Is & Why It Matters For SEO 6 Reasons Google Advises to Validate HTML 1. Could affect crawl rate 2.

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 ...