Errors:
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Using the “meta” element to specify the document-wide default language is obsolete.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.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
The “center” element is obsolete. Use CSS instead.
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.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
End tag “br”.
End tag “blockquote” seen, but there were open elements.
Unclosed element “span”.
Stray end tag “a”.
The element “h1” must not appear as a descendant of the “dt” element.
Stray end tag “table”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
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