Pclinuxos.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
End tag “div” seen, but there were open elements.
Unclosed element “h3”.
The “center” element is obsolete.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.
Duplicate ID “post-head”.
Duplicate ID “head-date”.
Element “center” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
Unclosed element “center”.
Unclosed element “span”.
Stray end tag “center”.
Warnings:
The first occurrence of ID “post-head” was here.
The first occurrence of ID “head-date” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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