HTML Lint is a strict HTML5 validation service: http://lint.brihten.com/html/
10:10 AM - 26 Apr 2010
0 replies
0 retweets
4 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.