Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad start tag in “img” in “head”.
Element “head” is missing a required instance of child element “title”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “name” not allowed on element “meta” at this point.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “tag” not allowed on element “script” at this point.
The element “button” must not appear as a descendant of the “a” element.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “action” not allowed on element “div” at this point.
Attribute “method” not allowed on element “div” at this point.
Attribute “name” not allowed on element “div” at this point.
Attribute “target” not allowed on element “div” at this point.
Attribute “novalidate” not allowed on element “div” at this point.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “” for attribute “src” on element “source”: Must be non-empty.
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