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”.
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 “src” on element “img”: Must be non-empty.
Element “p” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Bad value “/resource/img/1 - 1.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “/resource/img/2 - 2.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “/resource/img/3 - 3.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Attribute “href” not allowed on element “div” at this point.
The element “button” must not appear as a descendant of the “a” element.
Element “img” is missing required attribute “src”.
Duplicate attribute “class”.
Attribute “vpic” not allowed on element “div” at this point.
Attribute “video_src” not allowed on element “div” at this point.
End tag “br”.
Stray start tag “script”.
The only allowed value for the “charset” attribute for the “script” element is “utf-8”. (But the attribute is not needed and should be omitted altogether.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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