Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Stray end tag “h1”.
Bad value “Golf Balls” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Attribute “(click)” not allowed on element “span” at this point.
Duplicate attribute “class”.
Duplicate attribute “alt”.
No space between attributes.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The element “button” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “footer”.
Stray end tag “div”.
Warnings:
Attribute “(click)” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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