Powerline.io W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Element “center” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “center”.
Duplicate ID “linkText”.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Element “center” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Saw a “form” start tag, but there was already an active “form” element. Nested forms are not allowed. Ignoring the tag.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
End tag “form” seen, but there were open elements.
Unclosed element “div”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “form” role is unnecessary for element “form”.
The first occurrence of ID “linkText” was here.
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