Advantageccs.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “tel:+1 (866) 699-2227” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Duplicate attribute “class”.
No space between attributes.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “dl” is missing a required child element.
Bad value “tel:+1(866) 699-2227” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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