Pt-blog.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.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Bad value “comments” for attribute “rel” on element “a”: The string “comments” is not a registered keyword.
Attribute “align” not allowed on element “a” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “footer”.
Stray end tag “footer”.
Stray end tag “div”.
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