Trittium.cc W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Duplicate ID “platformvis”.
Element “p” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Warnings:
The first occurrence of ID “platformvis” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English but the “html” start tag has “lang="ru-RU"”. Consider using “lang="en"” (or variant) instead.
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