Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Stray doctype.
Attribute “xmlns:o” not allowed here.
Attribute “__expr-val-dir” not allowed on element “html” at this point.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “head” is missing a required instance of child element “title”.
Attribute “__markuptype” not allowed on element “div” at this point.
Attribute “__webpartid” not allowed on element “div” at this point.
Attribute “webpart” not allowed on element “div” at this point.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “meta”.
Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “50px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Warnings:
Attribute with the local name “xmlns:o” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Empty heading.
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