Xmlgrid.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “su:badge” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
A numeric character reference expanded to the C1 controls range.
Stray end tag “td”.
Stray end tag “tr”.
Stray start tag “tr”.
Stray start tag “td”.
Duplicate ID “footer”.
The “center” element is obsolete. Use CSS instead.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “center”.
Unclosed element “div”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Element name “g:plusone” cannot be represented as XML 1.0.
Element name “su:badge” cannot be represented as XML 1.0.
The first occurrence of ID “footer” was here.
The “language” attribute on the “script” element is obsolete.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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