Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Attribute “effect” not allowed on element “a” at this point.
Attribute “alt” not allowed on element “a” at this point.
Attribute “effect” not allowed on element “img” at this point.
Duplicate ID “sfsiid_facebook”.
Duplicate ID “sfsiid_google”.
Duplicate ID “sfsiid_twitter”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “sfsiid_facebook” was here.
The first occurrence of ID “sfsiid_google” was here.
The first occurrence of ID “sfsiid_twitter” was here.
The “contentinfo” role is unnecessary for element “footer”.
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).
Netherlands NL