Mobiroller.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
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 “h1” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
End tag “center” seen, but there were open elements.
Unclosed element “span”.
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