Errors:
Bogus comment.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
The element “a” must not appear as a descendant of the “button” element.
Attribute “accept” not allowed on element “input” at this point.
Duplicate ID “chooseFile”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Attribute “src” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “content”.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “required” on element “input”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “chooseFile” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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