2012un-nouveau-paradigme.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
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.
Bad value “https://plus.google.com/David Jarry” for attribute “href” on element “link”: Illegal character in path segment: space is not allowed.
Attribute “items” not allowed on element “meta” at this point.
Attribute “default” not allowed on element “meta” at this point.
Attribute “group” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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