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”.
Bad value “text/xhtml; charset=UTF-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “type” on element “a”: Expected a MIME type but saw the empty string.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “”.
Element “div” is missing one or more of the following attributes: “role”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate attribute “alt”.
Duplicate ID “demos”.
Duplicate ID “clonedemo”.
Stray end tag “div”.
Bad value “” for attribute “src” on element “script”: Must be non-empty.
Bad value “75%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Warnings:
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “demos” was here.
The first occurrence of ID “clonedemo” 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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