Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “center” seen, but there were open elements.
Unclosed element “span”.
Duplicate ID “social-email”.
Duplicate ID “social-facebook”.
Duplicate ID “social-gplus”.
Duplicate ID “social-pinterest”.
Duplicate ID “social-rss”.
Duplicate ID “social-twitter”.
Duplicate ID “subbox”.
Duplicate ID “subbutton”.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “social-email” was here.
The first occurrence of ID “social-facebook” was here.
The first occurrence of ID “social-gplus” was here.
The first occurrence of ID “social-pinterest” was here.
The first occurrence of ID “social-rss” was here.
The first occurrence of ID “social-twitter” was here.
The first occurrence of ID “subbox” was here.
The first occurrence of ID “subbutton” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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