Harvardapparatus.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Start tag “head” seen but an element of the same type was already open.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Element “style” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “search”.
No “li” element in scope but a “li” end tag seen.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “search” was here.
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