Moomin.co.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “sidebar1”.
Element “div” not allowed as child of element “pre” in this context. (Suppressing further errors from this subtree.)
Bad value “http://twitter.com/share?url=http://www.moomin.co.jp/&text=ムーミン公式サイト - Moomin Characters Official Website” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “http://line.me/R/msg/text/?ムーミン公式サイト - Moomin Characters Official Website%0D%0Ahttp://www.moomin.co.jp/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “mailto:?subject=ムーミン公式サイト - Moomin Characters Official Website&body=ムーミン公式サイト%0d%0aムーミン公式サイト - Moomin Characters Official Website%0d%0ahttp://www.moomin.co.jp/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
The “banner” role is unnecessary for element “header”.
Empty heading.
The “article” role is unnecessary for element “article”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “sidebar1” was here.
The “contentinfo” role is unnecessary for element “footer”.
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