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”.
Bad value “up” for attribute “rel” on element “a”: The string “up” is not a registered keyword.
Stray start tag “tr”.
Stray start tag “td”.
Stray end tag “td”.
Stray end tag “tr”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “thread-4136”.
Duplicate ID “thread-4135”.
Duplicate ID “thread-3631”.
Duplicate ID “thread-4134”.
Duplicate ID “thread-4133”.
Duplicate ID “thread-4132”.
Duplicate ID “thread-3983”.
Duplicate ID “thread-4131”.
Duplicate ID “thread-4130”.
Duplicate ID “thread-4129”.
Bad value “dofollow” for attribute “rel” on element “a”: The string “dofollow” is not a registered keyword.
The “center” element is obsolete. Use CSS instead.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
Duplicate ID “copyright”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “thread-4136” was here.
The first occurrence of ID “thread-4135” was here.
The first occurrence of ID “thread-3631” was here.
The first occurrence of ID “thread-4134” was here.
The first occurrence of ID “thread-4133” was here.
The first occurrence of ID “thread-4132” was here.
The first occurrence of ID “thread-3983” was here.
The first occurrence of ID “thread-4131” was here.
The first occurrence of ID “thread-4130” was here.
The first occurrence of ID “thread-4129” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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 “copyright” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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