A transparency campaign from 
These websites have been blocked by court order, and are not part of the adult content filters supplied by ISPs. A list of court orders is available here.
We get this information from the page returned when we check a site. ISPs have standard block pages notifying users that a court order is in place.
Many people aren’t aware of the extent of overblocking. Please share the Blocked tool to help raise awareness and correct mistakes.
