Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “ns.html?id” is not serializable as XML 1.0.
Attribute “0""” is not serializable as XML 1.0.
Attribute “display:none;visibility:hidden""” is not serializable as XML 1.0.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A slash was not immediately followed by “>”.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “0""”.
Bad start tag in “iframe” in “head”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “www.googletagmanager.com” not allowed on element “iframe” at this point.
Attribute “ns.html?id” not allowed on element “iframe” at this point.
Bad value “” for attribute “height” on element “iframe”: The empty string is not a valid non-negative integer.
Attribute “0""” not allowed on element “iframe” at this point.
Bad value “” for attribute “width” on element “iframe”: The empty string is not a valid non-negative integer.
Attribute “display:none;visibility:hidden""” not allowed on element “iframe” at this point.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “alt” not allowed on element “input” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Stray end tag “div”.
Russian Federation RU