Admhimki.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The first occurrence of ID “footer-banner” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “” was here.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Stray end tag “ul”.
The “center” element is obsolete. Use CSS instead.
No space between attributes.
Duplicate ID “footer-banner”.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
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