Naiu.org.ua 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.
Bad value “468px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “60px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
No space between attributes.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
A slash was not immediately followed by “>”.
Attribute “<” not allowed on element “img” at this point.
Attribute “a” not allowed on element “img” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “a”.
The element “input” must not appear as a descendant of the “a” element.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Attribute “<” is not serializable as XML 1.0.
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