Errors:
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.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “true” for attribute “async” on element “script”.
Attribute “from-cache” not allowed on element “div” at this point.
Attribute “media-type” not allowed on element “source” at this point.
Stray end tag “source”.
Attribute “media-type” not allowed on element “img” at this point.
Bad value “true” for attribute “controls” on element “audio”.
Bad value “true” for attribute “playsinline” on element “video”.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Bad value “username” for attribute “autocomplete” on element “input”: The autofill field name “username” is not allowed in this context.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
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