Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration named an unsupported chararacter encoding “og:site_name”.
Attribute “content” not allowed on element “meta” at this point.
The only allowed value for the “charset” attribute for the “meta” element is “utf-8”.
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.
Attribute “async” not allowed on element “link” at this point.
Bad start tag in “img” in “head”.
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”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “alt” not allowed on element “a” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “” for attribute “target” on element “form”: Browsing context name must be at least one character long.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “async” on element “script”.
Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
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