Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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”.
Bad value “sub-zero” for attribute “lang” on element “body”: Bad script subtag.
Attribute “type” not allowed on element “div” at this point.
Attribute “placeholder” not allowed on element “div” at this point.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “div” at this point.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
Bad value for attribute “src” on element “img”: Illegal character in query: “|” is not allowed.
Bad value “Sub-Zero, Wolf, and Cove Showroom Burlingame by Riggs Distributing, Inc.” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “//maps.google.com/?q=1755 Rollins Road Burlingame, CA 94010” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “tel:(650) 240-3000” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “submit” for attribute “type” on element “a”: Subtype missing.
Bad value “UNIVERSITY ELECTRIC COMPANY, INC.” for attribute “id” on element “div”: An ID must not contain whitespace.
No space between attributes.
Bad value “Monark Premium Appliance Co.” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “MEYER APPLIANCE COMPANY, INC.” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “Pacific Sales” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
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