Studysync.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “#videolink” for attribute “rel” on element “a”: The string “#videolink” is not a registered keyword.
The “font” element is obsolete. Use CSS instead.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Duplicate attribute “class”.
Stray end tag “section”.
Attribute “href” not allowed on element “div” at this point.
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
Empty heading.
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