Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “off-canvas” not allowed on element “div” at this point.
Attribute “canvas” 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.
Element “img” is missing required attribute “src”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
A slash was not immediately followed by “>”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Element “script type="text” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)
Stray end tag “script”.
End tag “p” seen, but there were open elements.
Unclosed element “script type="text”.
Attribute “gesture” not allowed on element “iframe” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
The “main” role is unnecessary for element “main”.
Attribute “javascript"” is not serializable as XML 1.0.
Element name “script type="text” cannot be represented as XML 1.0.
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).
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