line 1 column 1 - Warning: missing declaration line 6 column 14 - Warning: unexpected or duplicate quote mark line 6 column 14 - Warning: attribute with missing trailing quote mark line 6 column 14 - Error: is not recognized! line 6 column 14 - Warning: discarding unexpected line 6 column 44 - Warning: discarding unexpected line 6 column 52 - Info: value for attribute "href" missing quote marks line 3 column 3 - Warning: blank 'title' element line 6 column 52 - Warning: illegal characters found in URI Info: Document content looks like HTML5 Tidy found 7 warnings and 1 error! This document has errors that must be fixed before using HTML Tidy to generate a tidied up version. About HTML Tidy: https://github.com/htacg/tidy-html5 Bug reports and comments: https://github.com/htacg/tidy-html5/issues Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/ Latest HTML specification: https://html.spec.whatwg.org/multipage/ Validate your HTML documents: https://validator.w3.org/nu/ Lobby your company to join the W3C: https://www.w3.org/Consortium Do you speak a language other than English, or a different variant of English? Consider helping us to localize HTML Tidy. For details please see https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md