Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad start tag in “a” in “head”.
Stray end tag “noscript”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “li_cat”.
Element “style” 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).
Duplicate ID “iday”.
Duplicate ID “post”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “Дантист""” not allowed on element “a” at this point.
Character reference was not terminated by a semicolon.
Element “strong” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “xmlns:x” not allowed here.
Attribute “xmlns:i” not allowed here.
Attribute “xmlns:graph” not allowed here.
Element “i:pgfref” not allowed as child of element “foreignObject” in this context. (Suppressing further errors from this subtree.)
Attribute “i:extraneous” not allowed on element “g” at this point.
Element “noindex” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “class”.
Element “noindex” 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 “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “li_cat” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “iday” was here.
The first occurrence of ID “post” was here.
Attribute “Дантист""” is not serializable as XML 1.0.
Empty heading.
Attribute with the local name “xmlns:x” is not serializable as XML 1.0.
Attribute with the local name “xmlns:i” is not serializable as XML 1.0.
Attribute with the local name “xmlns:graph” is not serializable as XML 1.0.
Attribute “xlink:href” is not serializable as XML 1.0.
Element name “i:pgfref” cannot be represented as XML 1.0.
Attribute “i:extraneous” 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.
Russian Federation RU