Accessibility Checks: Version 0.1 line 1 column 1 - Access: [3.3.1.1]: use style sheets to control presentation. line 6 column 3 - Access: [13.2.1.1]: Metadata missing. Info: Doctype given is "-//W3C//DTD XHTML 1.0 Strict//EN" Info: Document content looks like XHTML 1.0 Strict No warnings or errors were found. About HTML Tidy: https://github.com/htacg/tidy-html5 Bug reports and comments: https://github.com/htacg/tidy-html5/issues Or send questions and comments to: https://lists.w3.org/Archives/Public/public-htacg/ Latest HTML specification: http://dev.w3.org/html5/spec-author-view/ Validate your HTML documents: http://validator.w3.org/nu/ Lobby your company to join the W3C: http://www.w3.org/Consortium