Errors:
Bad value “utf8” for attribute “charset” on element “meta”: “utf8” is not a preferred encoding name. The preferred label for this encoding is “utf-8”.
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”.
Bad value “true” for attribute “defer” on element “script”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “YES” for attribute “selected” on element “option”.
Bad value “” for attribute “id” on element “h2”: An ID must not be the empty string.
Duplicate ID “can_embed_form”.
Duplicate ID “can_embed_form_inner”.
Duplicate ID “join-form”.
Duplicate ID “join-form-response”.
Warnings:
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “can_embed_form” was here.
The first occurrence of ID “can_embed_form_inner” was here.
The first occurrence of ID “join-form” was here.
The first occurrence of ID “join-form-response” was here.
United States US