Polyset.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Attribute “alt” not allowed on element “a” at this point.
Bad value “https://polyset.ru/search?q={q}” for attribute “href” on element “link”: Illegal character in query: “{” is not allowed.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Attribute “itemprop” not allowed on element “link” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “0” for attribute “size” on element “input”: Zero is not a positive integer.
Start tag “input” seen in “table”.
Element “input” not allowed as child of element “tbody” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
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