Samesound.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “searchform”.
Duplicate ID “s”.
Duplicate ID “searchsubmit”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
No “li” element in scope but a “li” end tag seen.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
The first occurrence of ID “searchsubmit” was here.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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