Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad value “application/xhtml+xml; charset=UTF-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
Bad value “content-style-type” for attribute “http-equiv” on element “meta”.
Bad value “content-script-type” for attribute “http-equiv” on element “meta”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Attribute “bigimg” not allowed on element “img” 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 “slide-2-1” for attribute “rel” on element “a”: The string “slide-2-1” is not a registered keyword.
Bad value “slide-2-2” for attribute “rel” on element “a”: The string “slide-2-2” is not a registered keyword.
Bad value “slide-2-3” for attribute “rel” on element “a”: The string “slide-2-3” is not a registered keyword.
Element “dl” is missing a required instance of child element “dd”.
Bad value “slide-1-1” for attribute “rel” on element “a”: The string “slide-1-1” is not a registered keyword.
Bad value “slide-1-2” for attribute “rel” on element “a”: The string “slide-1-2” is not a registered keyword.
Bad value “slide-1-3” for attribute “rel” on element “a”: The string “slide-1-3” is not a registered keyword.
Attribute “alt” not allowed on element “li” at this point.
Element “dl” is missing a required child element.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Russian Federation RU