Uzhnu.edu.ua W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
Element “input” is missing required attribute “alt”.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Attribute “pubdate” not allowed on element “time” at this point.
Duplicate ID “yw4”.
Duplicate ID “yw5”.
Duplicate ID “img_icon”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “logo”.
Duplicate ID “yw6”.
No “p” element in scope but a “p” end tag seen.
Warnings:
The first occurrence of ID “yw4” was here.
The first occurrence of ID “yw5” was here.
The first occurrence of ID “img_icon” was here.
The first occurrence of ID “logo” was here.
The first occurrence of ID “yw6” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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).
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