Focus.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “pl_PL” for attribute “lang” on element “html”: The language subtag “pl_pl” is not a valid language subtag.
Bad value “https://fonts.googleapis.com/css?family=Lato:400,400i,700,700i|Montserrat:400,400i,600,600i&subset=latin-ext,vietnamese” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “alt” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “true” for attribute “async” on element “script”.
Element “marquee” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “target” not allowed on element “img” at this point.
Warnings:
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Poland PL