Liner.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”.
Bad value “Content-Script-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.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Stray end tag “a”.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “sid5130”.
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The first occurrence of ID “sid5130” was here.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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