Diffnow.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:g” not allowed here.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “href” not allowed on element “span” at this point.
Stray end tag “span”.
Attribute “action” not allowed on element “a” at this point.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Attribute “visible” not allowed on element “img” at this point.
No “p” element in scope but a “p” end tag seen.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:g” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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