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.
Stray end tag “div”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “navigation” for attribute “role” on element “ul”.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “read” not allowed on element “a” at this point.
Attribute “more” not allowed on element “a” at this point.
Attribute “about” not allowed on element “a” at this point.
Attribute “'auckland” not allowed on element “a” at this point.
Attribute “meetup:” not allowed on element “a” at this point.
Attribute “graphql,” not allowed on element “a” at this point.
Attribute “react” not allowed on element “a” at this point.
Attribute “&” not allowed on element “a” at this point.
Attribute “silverstripe” not allowed on element “a” at this point.
Attribute “4'...” not allowed on element “a” at this point.
Attribute “'module” not allowed on element “a” at this point.
Attribute “of” not allowed on element “a” at this point.
Attribute “the” not allowed on element “a” at this point.
Attribute “month:” not allowed on element “a” at this point.
Attribute “focus” not allowed on element “a” at this point.
Attribute “on” not allowed on element “a” at this point.
Attribute “what” not allowed on element “a” at this point.
Attribute “matters'...” not allowed on element “a” at this point.
Attribute “'site” not allowed on element “a” at this point.
Attribute “fittopia'...” not allowed on element “a” at this point.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “type” not allowed on element “iframe” at this point.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray doctype.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Attribute “'auckland” is not serializable as XML 1.0.
Attribute “meetup:” is not serializable as XML 1.0.
Attribute “graphql,” is not serializable as XML 1.0.
Attribute “&” is not serializable as XML 1.0.
Attribute “4'...” is not serializable as XML 1.0.
Attribute “'module” is not serializable as XML 1.0.
Attribute “month:” is not serializable as XML 1.0.
Attribute “matters'...” is not serializable as XML 1.0.
Attribute “'site” is not serializable as XML 1.0.
Attribute “fittopia'...” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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