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=Mada:300,400,500,600,700,900|Open+Sans:300,400,600,700|Roboto+Slab:300,400,700|Roboto:100,300,400,500,700|Lato:300,400,700,900” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “lang”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Bad value “” for attribute “id” on element “section”: An ID must not be the empty string.
Attribute “datetime” not allowed on element “div” at this point.
Duplicate ID “”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “lang” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “article” role is unnecessary for element “article”.
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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