Errors:
Attribute “xmlns:fb” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “up” for attribute “rel” on element “a”: The string “up” is not a registered keyword.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
CSS: “decoration”: Property “decoration” doesn't exist.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “text” not allowed on element “a” at this point.
CSS: “align”: Property “align” doesn't exist.
Bad value “Menu” for attribute “rel” on element “a”: The string “Menu” is not a registered keyword.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute for the “style” element is not needed and should be omitted.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.
Attribute “"” is not serializable as XML 1.0.
This document appears to be written in Russian but the “html” start tag has an empty “lang” attribute. Consider using “lang="ru"” (or variant) instead.
Ukraine UA