Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Attribute “https:” is not serializable as XML 1.0.
Attribute “?source” is not serializable as XML 1.0.
The “complementary” role is unnecessary for element “aside”.
Potentially bad value “allow-scripts allow-same-origin allow-presentation allow-popups” for attribute “sandbox” on element “iframe”: Setting both “allow-scripts” and “allow-same-origin” is not recommended, because it effectively enables an embedded page to break out of all sandboxing.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “charset” attribute on the “script” element is obsolete.
Errors:
CSS: “font-stretch”: Parse Error.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Attribute “https:” not allowed on element “img” at this point.
Attribute “act.everytown.org” not allowed on element “img” at this point.
Attribute “sign” not allowed on element “img” at this point.
Attribute “tell-your-rep-vote-yes-on-vawa” not allowed on element “img” at this point.
Attribute “?source” not allowed on element “img” at this point.
Attribute “target” not allowed on element “img” at this point.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “no noopener opener noreferrer” for attribute “rel” on element “a”: The string “no” is not a registered keyword.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “size-medium” not allowed on element “img” at this point.
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
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