Bayer.us W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “Facebook” for attribute “rel” on element “a”: The string “Facebook” is not a registered keyword.
Bad value “Youtube” for attribute “rel” on element “a”: The string “Youtube” is not a registered keyword.
Bad value “Twitter” for attribute “rel” on element “a”: The string “Twitter” is not a registered keyword.
Bad value “Linkedin” for attribute “rel” on element “a”: The string “Linkedin” is not a registered keyword.
Bad value “Instagram” for attribute “rel” on element “a”: The string “Instagram” is not a registered keyword.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Empty heading.
United States US