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://fonts.googleapis.com/css?family=Open+Sans:400,400italic,700,700italic|Arvo:900|&subset=latin,cyrillic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Text not allowed in element “iframe” in this context.
Start tag “a” seen but an element of the same type was already open.
End tag “article” seen, but there were open elements.
Unclosed element “header”.
Unclosed element “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “target”.
The “big” element is obsolete. Use CSS instead.
End tag “p” seen, but there were open elements.
Unclosed element “big”.
End tag “big” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
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