Study finds only 2.6% of top websites pass full HTML validation

A new analysis published at validatehtml.com examined the most visited websites on the internet to assess the quality of their HTML code. The study found that just 2.6% of these sites have fully valid HTML, highlighting widespread coding errors across the web. The findings suggest that even major, high-traffic websites fail to meet official HTML standards. This raises questions about code quality practices and the long-term maintainability of web infrastructure at scale.