Nibler.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Stray start tag “html”.
Start tag “head” seen but an element of the same type was already open.
Element “input” is missing required attribute “alt”.
The “center” element is obsolete. Use CSS instead.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
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