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.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Element “noindex” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “button” must not appear as a descendant of the “a” element.
Bad value “0” for attribute “value” on element “input”: The literal did not satisfy the date format.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Warnings:
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
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