Errors:
Duplicate attribute “lang”.
Attribute “xmlns:content” not allowed here.
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:foaf” not allowed here.
Attribute “xmlns:og” 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:fb” 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.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Attribute “href” not allowed on element “label” 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.
No “p” element in scope but a “p” end tag seen.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Saw U+0000 in stream.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Bad value “https://snowsoftware.com/int/resources/events/oracle-license-optimization-forum?course=oracle license optimization forum&date=2018-01-22 22:00:00&location=singapore” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://snowsoftware.com/int/resources/events/sam-forum?course=sam forum&date=2018-02-14 15:00:00&location=australia - sydney” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The text content of element “time” was not in the required format: Month cannot be greater than 12.
Bad value “https://snowsoftware.com/int/resources/events/sams-2018?course=sams 2018&date=2018-02-25 14:45:00&location=germany - berlin” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “about” not allowed on element “div” at this point.
Attribute “datatype” not allowed on element “time” at this point.
Attribute “content” not allowed on element “time” at this point.
Bad value “[field_item_link]” for attribute “href” on element “a”: Illegal character in path segment: “[” is not allowed.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Element “h2” not allowed as child of element “span” 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.)
Warnings:
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:og” 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:fb” 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.
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in English but the “html” start tag has “lang="int"”. Consider using “lang="en"” (or variant) instead.