Yoshidakaban.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy encoding “shift_jis” used. Documents must use UTF-8.
Quirky doctype. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=Shift_JIS” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “leftmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “topmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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