Twi1.me W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Stray end tag “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “input”.
Warnings:
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
Element name “g:plusone” cannot be represented as XML 1.0.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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