Usmessageboard.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Stray end tag “div”.
Bad value “up” for attribute “rel” on element “a”: The string “up” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “font” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Duplicate attribute “class”.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
No “li” element in scope but a “li” end tag seen.
Attribute “results” not allowed on element “input” at this point.
Duplicate ID “content”.
End tag “br”.
Duplicate ID “copyright”.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The first occurrence of ID “content” was here.
The first occurrence of ID “copyright” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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