Ikonu.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “form” role is unnecessary for element “form”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
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 “span” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
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