Slanet.by W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
End tag had attributes.
Bad value “24px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “16px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” is missing required attribute “alt”.
Bad value “nav demo” for attribute “id” on element “div”: An ID must not contain whitespace.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “search”.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Stray end tag “a”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “search” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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