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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “itemprop” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “http-equiv”.
Element “meta” is missing one or more of the following attributes: “http-equiv”.
Stray end tag “a”.
No “li” element in scope but a “li” end tag seen.
Duplicate ID “menu-main-menu”.
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “menu-item-2715”.
Duplicate ID “menu-item-2716”.
Duplicate ID “menu-item-2717”.
Duplicate ID “menu-item-2718”.
Element “link” is missing one or more of the following attributes: “href”, “itemprop”, “property”, “rel”, “resource”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Duplicate attribute “allowfullscreen”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Attribute “oallowfullscreen” not allowed on element “iframe” at this point.
Attribute “msallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “menu-main-menu” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “menu-item-2715” was here.
The first occurrence of ID “menu-item-2716” was here.
The first occurrence of ID “menu-item-2717” was here.
The first occurrence of ID “menu-item-2718” was here.
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