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 “cleartype” for attribute “http-equiv” on element “meta”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “https://fonts.googleapis.com/css?family=Roboto|Open+Sans|Lato” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “heading” for attribute “role” on element “header”.
Bad value “region” for attribute “role” on element “nav”.
Bad value “slider” for attribute “role” on element “section”.
Bad value “content” for attribute “role” on element “section”.
Duplicate ID “double”.
Duplicate ID “single”.
Duplicate ID “SidebarEventCalendar”.
Bad value “mailto:m.blazek@oceasoft.com?subject=PDA SoCal Chapter Student Event RSVP” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Attribute “msallowfullscreen” not allowed on element “iframe” at this point.
Attribute “oallowfullscreen” not allowed on element “iframe” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “hspace” not allowed on element “iframe” at this point.
Attribute “vspace” not allowed on element “iframe” at this point.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “double” was here.
The first occurrence of ID “single” was here.
The first occurrence of ID “SidebarEventCalendar” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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