Errors:
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray end tag “a”.
Stray end tag “span”.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “/ru/vacancies/0/For lecturers” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For researchers” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For administrators” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For engineers” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For laboratorians” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For consultants” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/vacancies/0/For editors” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/events/Open lecture” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/events/Public discussion” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/ru/events/Master Class” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Element “style” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Element “p” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Unclosed element “ul”.
Duplicate ID “logo”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “logo” was here.
Russian Federation RU