Dianatur.ru 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.
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 “20px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Attribute “href” not allowed on element “div” at this point.
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 “action” on element “form”: Must be non-empty.
Bad value “standalone1” for attribute “rel” on element “a”: The string “standalone1” is not a registered keyword.
Bad value “standalone2” for attribute “rel” on element “a”: The string “standalone2” is not a registered keyword.
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