Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Email” was here.
The first occurrence of ID “SubscriptionType” was here.
The first occurrence of ID “IntelliTrackerEventId” was here.
The first occurrence of ID “EsputnikFormType” was here.
The first occurrence of ID “EsputnikFormGroup” was here.
The first occurrence of ID “Phone” was here.
The first occurrence of ID “Name” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Errors:
Element “img” is missing required attribute “src”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “required” not allowed on element “input” at this point.
Attribute “required” is only allowed when the input type is “checkbox”, “date”, “datetime-local”, “email”, “file”, “month”, “number”, “password”, “radio”, “search”, “tel”, “text”, “time”, “url”, or “week”.
Element “source” is missing required attribute “srcset”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “Email”.
Duplicate ID “SubscriptionType”.
Duplicate ID “IntelliTrackerEventId”.
Duplicate ID “EsputnikFormType”.
Duplicate ID “EsputnikFormGroup”.
Attribute “scrollup” not allowed on element “div” at this point.
Duplicate ID “Phone”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Duplicate ID “Name”.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
The “aria-controls” attribute must point to an element in the same document.
The “aria-labelledby” attribute must point to an element in the same document.
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