4vision.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “h2-p4pro” was here.
The first occurrence of ID “icon-p4pro” was here.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Errors:
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “tel:+7 495 150 09 34” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+7 812 245 61 59” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+7 800 333 67 91” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “h2-p4pro”.
Duplicate ID “icon-p4pro”.
No “p” element in scope but a “p” end tag seen.
Russian Federation RU