Nuos.edu.ua W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “//fonts.googleapis.com/css?family=PT+Sans:400,700,400italic,700italic|PT+Serif+Caption:400,400italic&subset=latin,cyrillic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
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.
Stray end tag “script”.
Attribute “alt” not allowed on element “a” at this point.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “div”.
Stray end tag “header--”.
End tag “div” seen, but there were open elements.
Unclosed element “h2”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “charset” attribute on the “script” element is obsolete.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
This document appears to be written in Ukrainian. Consider adding “lang="uk"” (or variant) to the “html” start tag.
Ukraine UA