24.hu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “//fonts.googleapis.com/css?family=Roboto:100,300,400,500,700|Roboto+Condensed|Titillium+Web:400,600,700&subset=latin,latin-ext” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “item-position” not allowed on element “div” at this point.
A numeric character reference expanded to the C1 controls range.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
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