Williamoptics.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Errors:
Element “input” is missing required attribute “aria-expanded”.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “https://williamoptics.com/pub/media/slideshows/20th Anniversary.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
No “p” element in scope but a “p” end tag seen.
Element “style” not allowed as child of element “div” 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.
Element “img” is missing required attribute “src”.
Bad value “300em” for attribute “width” on element “img”: Expected a digit but saw “e” instead.
United States US