line 7 column 1 - Warning: isn't allowed in <table> elements line 6 column 1 - Info: <table> previously mentioned line 9 column 1 - Warning: discarding unexpected </dd> line 10 column 1 - Warning: discarding unexpected </body> line 7 column 1 - Warning: missing line 6 column 1 - Warning: missing line 5 column 1 - Warning: missing line 3 column 1 - Warning: inserting missing 'title' element line 6 column 1 - Warning: lacks "summary" attribute line 7 column 1 - Warning: trimming empty line 6 column 1 - Warning: trimming empty <table> Info: Doctype given is "-//W3C//DTD HTML 4.01//EN" Info: Document content looks like HTML 4.01 Transitional Info: No system identifier in emitted doctype 10 warnings, 0 errors were found! The table summary attribute should be used to describe the table structure. It is very helpful for people using non-visual browsers. The scope and headers attributes for table cells are useful for specifying which headers apply to each table cell, enabling non-visual browsers to provide a meaningful context for each cell. For further advice on how to make your pages accessible see http://www.w3.org/WAI/GL. . You may also want to try "http://www.cast.org/bobby/" which is a free Web-based service for checking URLs for accessibility. 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