Casioeducation.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “https://fonts.googleapis.com/css?family=Roboto:300,700|Source+Sans+Pro:400,600” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “navigation” for attribute “role” on element “ul”.
Element “dl” is missing a required child element.
Attribute “action” not allowed on element “button” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Duplicate ID “blog-cont”.
Bad value for attribute “href” on element “a”: Illegal character in query: “|” is not allowed.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “blog-cont” was here.
United States US