line 10 column 4 - Warning: missing </a> before <h3>
line 11 column 22 - Warning: inserting implicit <a>
line 11 column 36 - Warning: discarding unexpected </a>
line 16 column 1 - Warning: <a> is probably intended as </a>
line 17 column 1 - Warning: missing </a> before <a>
line 17 column 24 - Warning: missing </a> before </body>
line 10 column 1 - Warning: trimming empty <p>
Info: Doctype given is "-//W3C//DTD HTML 4.0 Transitional//EN"
Info: Document content looks like HTML 4.01 Transitional
Info: No system identifier in emitted doctype
Tidy found 7 warnings and 0 errors!

One or more empty elements were present in the source document but
dropped on output. If these elements are necessary or you don't want
this behavior, then consider setting the option "drop-empty-elements"
to no.

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/
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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