Insighteditions.com 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.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “https://www.facebook.com/tr?id=883282755146732&ev=PageView&noscript=1&cd[domain]=insighteditions.com&cd[user_roles]=guest” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Bad value “https://www.facebook.com/tr?id=883282755146732&ev=GeneralEvent&noscript=1&cd[post_type]=page&cd[content_name]=Home&cd[post_id]=37587&cd[domain]=insighteditions.com&cd[user_roles]=guest” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
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).
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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