Errors:
No space between attributes.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
A slash was not immediately followed by “>”.
Attribute “<” not allowed on element “img” at this point.
Attribute “span” not allowed on element “img” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “a” violates nesting rules.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Attribute “webkitallowfullscreen” 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.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” 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The “allowtransparency” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete.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 ID “why”.
End tag “br”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Bad value “https://fonts.googleapis.com/css?family=Gentium+Book+Basic|Open+Sans” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “ISO-8859-1” for attribute “charset” on element “script”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
Warnings:
Attribute “<” is not serializable as XML 1.0.
Empty heading.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “why” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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