Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “banner” for attribute “role” on element “h1”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Attribute “_thumbnail” not allowed on element “span” at this point.
Attribute “_mvid” not allowed on element “span” at this point.
Attribute “_title” not allowed on element “span” at this point.
Attribute “_playtime” not allowed on element “span” at this point.
Bad value “yyyy-MM-dd” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Warnings:
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.
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
The “charset” attribute on the “script” element is obsolete.
The “contentinfo” role is unnecessary for element “footer”.
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).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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