Peppermintos.com W3C HTML Markup Validation
HTML markup errors and warnings
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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 “center” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Duplicate ID “ppmbtn”.
Element “center” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Stray end tag “a”.
End tag “br”.
Attribute “border” not allowed on element “input” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray start tag “td”.
No “p” element in scope but a “p” end tag seen.
Stray end tag “td”.
Attribute “styles” not allowed on element “img” at this point.
Stray end tag “img”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
The first occurrence of ID “ppmbtn” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “contentinfo” role is unnecessary for element “footer”.
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