Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “href” not allowed on element “button” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “truncatemobile” not allowed on element “p” at this point.
Attribute “truncatedesktop” not allowed on element “p” at this point.
Bad value “#New Releases-carousel” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
Bad value “#Coming Soon-carousel” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
Duplicate ID “email_address_input”.
Stray end tag “a”.
Bad value “#More from Basic Books-carousel” for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
The “aria-labelledby” attribute must point to an element in the same document.
The “aria-controls” attribute must point to an element in the same document.
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Warnings:
Empty heading.
The first occurrence of ID “email_address_input” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
United States US