Esri.ca W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Attribute “nav-category” not allowed on element “a” at this point.
Bad value “https://resources.esri.ca/ann-stories/analytics-the-key-to-transformation ?utm_source=homepage&utm_medium=focal&utm_campaign=analytics_key&utm_content=aug2018” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
The “center” element is obsolete. Use CSS instead.
Warnings:
The “banner” role is unnecessary for element “header”.
The “button” role is unnecessary for element “button”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
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