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”.
Attribute “rel” not allowed on element “body” at this point.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Attribute “readonly” is only allowed when the input type is “date”, “datetime-local”, “email”, “month”, “number”, “password”, “search”, “tel”, “text”, “time”, “url”, or “week”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “heading1”.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700,800|Raleway:300,400,700,800,900|Roboto:300,400,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “heading1” 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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