Permkrai.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray start tag “html”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
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 document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Stray end tag “nav”.
Bad value “/upload/Программа - Пермский период Новое время.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Warnings:
Attribute “"” is not serializable as XML 1.0.
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