Bizzine.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “li” element in scope but a “li” end tag seen.
Duplicate ID “top”.
Element “img” is missing required attribute “src”.
Stray end tag “a”.
Attribute “src” not allowed on element “li” at this point.
Duplicate ID “week”.
Duplicate ID “month”.
Duplicate ID “fb”.
End tag “p” seen, but there were open elements.
Unclosed element “span”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “main” role is unnecessary for element “main”.
The first occurrence of ID “top” was here.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “week” was here.
The first occurrence of ID “month” was here.
The first occurrence of ID “fb” was here.
The “navigation” role is unnecessary for element “nav”.
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