Emtg.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Duplicate ID “icon_login”.
Duplicate ID “Mobile-Portrait”.
Duplicate ID “icon_help”.
Duplicate ID “Fill-1”.
End tag “header” seen, but there were open elements.
Unclosed element “nav”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “icon_login” was here.
The first occurrence of ID “Mobile-Portrait” was here.
The first occurrence of ID “icon_help” was here.
The first occurrence of ID “Fill-1” was here.
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