Offers 4 ways to anonymise the referrer. For debugging purposes it also shows the anonymise referrer config in system check and it's also showing it in the referrer reports as a footer note that the data is anonymised.
don't store referrer URL is configured it will still detect the type of referrer (eg search vs social) and it also keeps the name of the search engine or social network as this should be fine and not be any PII. Campaign info is provided from the current URL not the referrer so this is not impacted by this setting (neither when specifically tracking a campaign info through HTTP API tracking parameters such as
When no referrer URL is stored in the website URL it may look bit funny but at least it shows a footer note (not shown in the screenshot)