Centr-2.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “quickNavigation” for attribute “rel” on element “a”: The string “quickNavigation” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “Центр-2"'"” not allowed on element “table” at this point.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Warnings:
Attribute “Центр-2"'"” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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