Errors:
Bad value “en-e-US” for attribute “lang” on element “html”: Unknown extension “e”.
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 “link” at this point.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Attribute “trackname” not allowed on element “div” at this point.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
No space between attributes.
Attribute “trackname” not allowed on element “article” at this point.
Attribute “controlslist” not allowed on element “video” at this point.
Element “picture” is missing a required instance of child element “img”.
Element “source” is missing required attribute “srcset”.
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.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “error-node” not allowed on element “select” at this point.
Attribute “error-node” not allowed on element “input” at this point.
Attribute “placeholder” not allowed on element “label” at this point.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Attribute “path” not allowed on element “script” at this point.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “type” attribute is unnecessary for JavaScript resources.
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