Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “https://fonts.googleapis.com/css?family=Lato:300,300italic,400,400italic,700,700italic,900,900italic|Alegreya:400,400italic,700,700italic&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
CSS: “color”: “ffffff” is not a “color” value.
Bad value “http:///www.nettl.com/us/shop/?keywords=exhibit” for attribute “href” on element “a”: Unexpected slash or backslash.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Attribute “width” not allowed on element “div” at this point.
Attribute “height” not allowed on element “div” at this point.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
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