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.
Element “link” is missing required attribute “href”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
No space between attributes.
Element “li” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “post-21090”.
Duplicate ID “post-21027”.
Duplicate ID “post-20626”.
Duplicate ID “post-21144”.
Duplicate ID “post-20374”.
Duplicate ID “post-20451”.
Bad value “/ /recovery-program” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ /community” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ /news-research” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ /for-professionals” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
“th” start tag in table body.
The element “h1” must not appear as a descendant of the “th” element.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “post-21090” was here.
The first occurrence of ID “post-21027” was here.
The first occurrence of ID “post-20626” was here.
The first occurrence of ID “post-21144” was here.
The first occurrence of ID “post-20374” was here.
The first occurrence of ID “post-20451” was here.
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