Fenton.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 “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “Global-/-Footer” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Text not allowed in element “iframe” in this context.
Duplicate ID “Symbols”.
Duplicate ID “Global-/-Footer”.
Duplicate ID “::-Footer”.
Duplicate ID “email-box”.
Duplicate ID “arrow”.
Duplicate ID “Group-3”.
Duplicate ID “Stroke-1”.
Duplicate ID “Fill-4”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Symbols” was here.
The first occurrence of ID “Global-/-Footer” was here.
The first occurrence of ID “::-Footer” was here.
The first occurrence of ID “email-box” was here.
The first occurrence of ID “arrow” was here.
The first occurrence of ID “Group-3” was here.
The first occurrence of ID “Stroke-1” was here.
The first occurrence of ID “Fill-4” was here.
United States US