Errors:
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 “rel” not allowed on element “img” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “null” for attribute “rel” on element “a”: The string “null” is not a registered keyword.
Bad value “url” for attribute “type” on element “a”: Subtype missing.
The “font” element is obsolete. Use CSS instead.
Bad value “onpage” for attribute “type” on element “a”: Subtype missing.
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Bad value “landing-page” for attribute “type” on element “a”: Subtype missing.
Bad value “popup” for attribute “type” on element “a”: Subtype missing.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “preserveAspectRatio” on element “svg”.
Attribute “href” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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