Flexsealproducts.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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
End tag “br”.
Bad value “https://www.facebook.com/tr?id=1094121070599782&ev=PageView&noscript=1&cd[domain]=www.flexsealproducts.com&cd[user_roles]=guest” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Bad value for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “” was here.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US