Errors:
Bad value “Main style-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “Main style 2-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “Main style 3-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “Content modules-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “jQuery Select-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “jQuery UI-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “class”.
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.
Bad value “\” for attribute “href” on element “a”: Backslash ("\") used as path segment delimiter.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “anchor-arrowdown”.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
The first occurrence of ID “anchor-arrowdown” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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