Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:article” not allowed here.
Attribute “xmlns:book” not allowed here.
Attribute “xmlns:profile” not allowed here.
Attribute “xmlns:video” not allowed here.
Attribute “xmlns:product” not allowed here.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700|Open+Sans+Condensed:300,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:article” is not serializable as XML 1.0.
Attribute with the local name “xmlns:book” is not serializable as XML 1.0.
Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.
Attribute with the local name “xmlns:video” is not serializable as XML 1.0.
Attribute with the local name “xmlns:product” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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