Wankuma.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Stray end tag “link”.
Element “link” is missing one or more of the following attributes: “itemprop”, “rel”.
The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “anchor.top.seminar”.
Warnings:
The first occurrence of ID “anchor.top.seminar” was here.
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