Criticker.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “form” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “mtype” not allowed on element “li” at this point.
Attribute “mtype” not allowed on element “ul” at this point.
Duplicate ID “i_submenu_database”.
Attribute “mark” not allowed on element “a” at this point.
Attribute “film” not allowed on element “a” at this point.
Attribute “film” not allowed on element “input” at this point.
No space between attributes.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “s” not allowed on element “img” at this point.
Attribute “thirteen'” not allowed on element “img” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Warnings:
The first occurrence of ID “i_submenu_database” was here.
Attribute “thirteen'” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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