Opas.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “https://www.facebook.com/tr?id=574918042698584&ev=PageView&noscript=1&cd[domain]=opas.com” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Bad value “https://www.facebook.com/tr?id=574918042698584&ev=GeneralEvent&noscript=1&cd[post_type]=page&cd[content_name]=Home&cd[post_id]=1492&cd[domain]=opas.com” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Japan JP