Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Element “img” is missing required attribute “src”.
Duplicate attribute “id”.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Duplicate ID “Layer_1”.
Duplicate ID “qa-icon”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “March 21, 2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “March 12, 2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “February 5, 2014” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “February 22, 2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “March 7, 2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “March 20, 2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “May 24, 2017” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Text not allowed in element “iframe” in this context.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
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 “navigation” role is unnecessary for element “nav”.
Attribute “"” is not serializable as XML 1.0.
The first occurrence of ID “Layer_1” was here.
The “button” role is unnecessary for element “button”.
The first occurrence of ID “qa-icon” was here.
The “contentinfo” role is unnecessary for element “footer”.
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).
United States US