Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “br”.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “a”.
Heading cannot be a child of another heading.
Stray end tag “h1”.
Stray end tag “h2”.
No “p” element in scope but a “p” end tag seen.
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
Duplicate ID “hover-icon”.
Duplicate ID “non-hover-icon”.
Bad value “<img src='/wp-content/uploads/2017/03/CertCentral_Screenshot.jpg' alt='certcentral_screenshot' class='half-image'>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “main” role is unnecessary for element “main”.
Empty heading.
The first occurrence of ID “” was here.
The first occurrence of ID “hover-icon” was here.
The first occurrence of ID “non-hover-icon” was here.
The “contentinfo” role is unnecessary for element “footer”.
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