Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “size” on element “input”: The empty string is not a valid positive integer.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Any “select” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
The element “label” must not appear as a descendant of the “label” element.
The “label” element may contain at most one “button”, “input”, “meter”, “output”, “progress”, “select”, or “textarea” descendant.
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”.
Duplicate ID “std”.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Element “hr” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “fugure” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “footer” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
“label” element with multiple labelable descendants.
The first occurrence of ID “std” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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).
Element name “gcse:search” cannot be represented as XML 1.0.
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