Deepfocus.io W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
End tag “br”.
Attribute “value” not allowed on element “li” at this point.
Duplicate ID “dropdownMenu1”.
Bad value “timer controls” for attribute “id” on element “div”: An ID must not contain whitespace.
Attribute “placeholder” not allowed on element “ul” at this point.
Attribute “href” not allowed on element “span” at this point.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “name” not allowed on element “div” at this point.
Attribute “href” not allowed on element “button” at this point.
Stray end tag “a”.
End tag “div” seen, but there were open elements.
Unclosed element “button”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “true” for attribute “loop” on element “audio”.
Warnings:
The first occurrence of ID “dropdownMenu1” was here.
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