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”.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad value “nope!” for attribute “media” on element “link”: Expected a letter or whitespace but saw “!” instead.
Element “h1” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “background-position”: “bottom” and “10px” are incompatible.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “custom-height”.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Module scripts are not supported in most browsers yet.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “custom-height” was here.
The “contentinfo” role is unnecessary for element “footer”.
The “type” attribute for the “style” element is not needed and should be omitted.
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