Dengen-cafe.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:mixi” not allowed here.
Attribute “xmlns:fb” not allowed here.
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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “side_bnr”.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “https://twitter.com/?status=RT @dengen_cafe電源カフェ ～（コンセント、Wi-Fi等）ノマド情報サイト https://dengen-cafe.com” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:mixi” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “side_bnr” was here.
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