Geo-online.co.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “container”.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Unclosed element “main”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “main”.
Stray end tag “div”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “container” was here.
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