Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” 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.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Duplicate attribute “class”.
Duplicate ID “primary”.
Duplicate ID “main”.
Stray end tag “a”.
Duplicate ID “Twitter”.
Duplicate ID “Facebook”.
Duplicate ID “GooglePlus”.
Duplicate ID “Youtube”.
Duplicate ID “RSS”.
No “p” element in scope but a “p” end tag seen.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “primary” was here.
The first occurrence of ID “main” was here.
The first occurrence of ID “Twitter” was here.
The first occurrence of ID “Facebook” was here.
The first occurrence of ID “GooglePlus” was here.
The first occurrence of ID “Youtube” was here.
The first occurrence of ID “RSS” was here.
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