Errors:
Bad value “//fonts.googleapis.com/css?family=Roboto+Slab:400,300|Open+Sans:400,300,300italic,400italic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “span”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “https://fonts.googleapis.com/css?family=Open Sans:400,300,700,600” for attribute “href” on element “link”: Illegal character in query: space is not allowed.
Element “img” is missing required attribute “src”.
Bad value “https://www.viewsonic.com/us/monitors/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Attribute “rel” not allowed on element “div” at this point.
Bad value “https://www.viewsonic.com/us/projectors/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/desktop-virtualization/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/commercial-displays/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/outlet/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/accessories/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/parts/?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/more-products/shop/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.viewsonic.com/us/products/shop/lightstream/products.html?cat[]=” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Attribute “type” not allowed on element “div” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US