2ndstreet.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “true” for attribute “async” on element “script”.
Attribute “ontouchstart” not allowed on element “body” at this point.
The element “main” must not appear as a descendant of the “article” element.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value for attribute “href” on element “a”: Percentage ("%") is not followed by two hexadecimal digits.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
Stray end tag “article”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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