Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Element “g:plusone” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “t1”.
Duplicate ID “t2”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “rel” not allowed on element “span” at this point.
Element “date” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)
Element “author” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Element name “g:plusone” cannot be represented as XML 1.0.
The first occurrence of ID “t1” was here.
The first occurrence of ID “t2” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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