Aquariumadviser.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.
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “cta_link”.
Duplicate ID “cta1”.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “productTitle”.
Duplicate ID “title”.
Element “a” not allowed as child of element “time” in this context. (Suppressing further errors from this subtree.)
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Attribute “rel” not allowed on element “img” at this point.
Warnings:
The first occurrence of ID “cta_link” was here.
The first occurrence of ID “cta1” was here.
The first occurrence of ID “productTitle” was here.
The first occurrence of ID “title” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “complementary” role is unnecessary for element “aside”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US