About: http://webisa.webdatacommons.org/163220398

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I can tell you 100% that Avast for example blocks not only websockets, but from what I see from my Socket.IO app also xhr-polling and other stuff.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com