Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
No “p” element in scope but a “p” end tag seen.
Bad value “https://www1.nais.org/Bookstore/Pages/ProductDetail.aspx?productid={32EB981A-A0A0-E811-AB04-000D3A106F88}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
Bad value “https://www1.nais.org/Bookstore/Pages/ProductDetail.aspx?productid={4BAB1E1E-33A6-4B84-9161-F361CF0AF491}” for attribute “href” on element “a”: Illegal character in query: “{” is not allowed.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “tel:(202) 973-9700” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “charset” attribute on the “script” element is obsolete.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “type” attribute for the “style” element is not needed and should be omitted.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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