Round1.co.jp 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.
Bad value “” for attribute “id” on element “object”: An ID must not be the empty string.
Bad value “100%” for attribute “width” on element “object”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “width” on element “embed”: Expected a digit but saw “%” instead.
The “name” attribute on the “embed” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “embed” element is obsolete. Use CSS instead.
Element “map” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “img” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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