Iyfnet.org 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 “about” not allowed on element “div” 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.
Bad value “/blog/author/Matthew Hobson” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/blog/author/Kevin Easterly” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/blog/author/Linda Wafi” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/blog/author/Geena Stith” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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