Terranuova.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Bad value “Top” for attribute “rel” on element “link”: The string “Top” is not a registered keyword.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “submit"” not allowed on element “button” at this point.
Duplicate attribute “title”.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Attribute “heigh” not allowed on element “img” 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.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “tel:0039 055 3215729” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Warnings:
Potentially bad value “Copyright” for attribute “rel” on element “link”: The keyword “copyright” for the “rel” attribute should not be used. Consider using “license” instead.
The “form” role is unnecessary for element “form”.
Attribute “submit"” 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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