Errors:
Attribute “xmlns:fb” not allowed here.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “notranslate” not allowed on element “a” at this point.
Attribute “isolate” not allowed on element “span” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “notranslate” not allowed on element “input” at this point.
Attribute “isolate” not allowed on element “b” at this point.
Attribute “notranslate” not allowed on element “div” at this point.
Attribute “notranslate” not allowed on element “ul” at this point.
No “li” element in scope but a “li” end tag seen.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “number”.
Duplicate ID “checkbutton”.
Duplicate ID “error_label”.
Attribute “ignore” not allowed on element “a” at this point.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “number” was here.
The first occurrence of ID “checkbutton” was here.
The first occurrence of ID “error_label” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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).
Afghanistan AF