The UK government does block websites, but I think you are right that it doesn't amount to censorhip in the sense of blocking criticism of the UK government its

The UK government does block websites, but I think you are right that it doesn't amount to censorhip in the sense of blocking criticism of the UK government itself. I'm not sure what role GCHQ has with regard to blocking websites or if we know what they actually advocate. They have been known to do things clandestinely ;-)