Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “expires” for attribute “http-equiv” on element “meta”.
Stray end tag “a”.
Start tag “button” seen but an element of the same type was already open.
End tag “div” seen, but there were open elements.
Unclosed element “button”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
No space between attributes.
Attribute “height” not allowed on element “a” at this point.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Duplicate attribute “class”.
Attribute “<img” not allowed on element “a” at this point.
Attribute “src” not allowed on element “a” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Warnings:
The “form” role is unnecessary for element “form”.
Attribute “<img” is not serializable as XML 1.0.
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