Errors:
Duplicate attribute “xmlns:fb”.
Attribute “xmlns:fb” not allowed here.
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.
Attribute “xmlns:content” not allowed here.
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:foaf” not allowed here.
Attribute “xmlns:rdfs” not allowed here.
Attribute “xmlns:sioc” not allowed here.
Attribute “xmlns:sioct” not allowed here.
Attribute “xmlns:skos” not allowed here.
Attribute “xmlns:xsd” not allowed here.
Attribute “xmlns:schema” 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The “profile” attribute on the “head” element is obsolete.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.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Duplicate attribute “class”.
Duplicate ID “logo”.
Duplicate ID “search-block-form”.
Duplicate ID “edit-search-block-form--2”.
Duplicate ID “edit-actions”.
Duplicate ID “edit-submit”.
Attribute “about” not allowed on element “div” at this point.
Bad value “https://twitter.com/intent/tweet?text=First Look: TV's Newest Robin&url=http://www.dccomics.com/blog/2017/12/01/first-look-tvs-newest-robin” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=The Demon: Hell is Earth Offers Etrigan a Fiery Return&url=http://www.dccomics.com/blog/2017/11/30/the-demon-hell-is-earth-offers-etrigan-a-fiery-return” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://twitter.com/intent/tweet?text=The New Age of DC Heroes&url=http://www.dccomics.com/blog/2017/11/29/the-new-age-of-dc-heroes” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value for attribute “href” on element “a”: Illegal character in fragment: space is not allowed.
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:fb” is not serializable as XML 1.0.
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.
Attribute with the local name “xmlns:content” is not serializable as XML 1.0.
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.
Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.
Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.
Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.
Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.
Attribute with the local name “xmlns:schema” is not serializable as XML 1.0.
The first occurrence of ID “logo” was here.
The first occurrence of ID “search-block-form” was here.
The first occurrence of ID “edit-search-block-form--2” was here.
The first occurrence of ID “edit-actions” was here.
The first occurrence of ID “edit-submit” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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