Thewho.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “facebookrnd” was here.
The first occurrence of ID “twitterrnd” was here.
The first occurrence of ID “instagramrnd” was here.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “class”.
End tag “a” violates nesting rules.
Bad value “httrapp://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Element “style” not allowed as child of element “li” 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.
Duplicate attribute “href”.
Duplicate ID “facebookrnd”.
Duplicate ID “twitterrnd”.
Duplicate ID “instagramrnd”.
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