Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Bad value “//www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
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 “1920” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Duplicate ID “1920”.
Duplicate ID “Service”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “ul”.
The element “input” must not appear as a descendant of the “a” element.
Duplicate ID “comp_4d69fbaba4f4d6273c57c7122fa2a679”.
Duplicate ID “sessid”.
Duplicate ID “artema”.
Duplicate ID “gorkogo”.
Duplicate ID “grigorenko”.
Duplicate ID “obolon”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “1920” was here.
The first occurrence of ID “Service” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “comp_4d69fbaba4f4d6273c57c7122fa2a679” was here.
The first occurrence of ID “sessid” was here.
The first occurrence of ID “artema” was here.
The first occurrence of ID “gorkogo” was here.
The first occurrence of ID “grigorenko” was here.
The first occurrence of ID “obolon” was here.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Ukraine UA