Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
The “version” attribute on the “html” element is obsolete. You can safely omit it.
The “profile” attribute on the “head” element is obsolete.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.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Bad value “PICS-Label” for attribute “http-equiv” on element “meta”.
Bad value “Link” for attribute “http-equiv” on element “meta”.
Bad value “Zipcar | Car Sharing, an alternative to car rental and car ownership” for attribute “rel” on element “a”: The string “Zipcar” is not a registered keyword.
Attribute “alt” not allowed on element “svg” at this point.
Duplicate attribute “class”.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “74.666px” for attribute “width” on element “img”: Expected a digit but saw “.” instead.
Bad value “74.666px” for attribute “height” on element “img”: Expected a digit but saw “.” instead.
Bad value “270px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “172px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Attribute “type” not allowed on element “img” at this point.
Warnings:
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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