Atsenergo.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.
Attribute “glossary” not allowed on element “a” at this point.
Duplicate attribute “class”.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Duplicate ID “block-block-57”.
Bad value “tel:+7 (495) 967-00-05” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+7 (495) 967-00-06” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+7 (495) 967-00-22” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Warnings:
The “document” role is unnecessary for element “body”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “block-block-57” was here.
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