Whether you like it or not, spam is a big part of the internet.
Some types of spam are more interested in using your server space to send out requests, while some take advantage of users to send over harmful malware and viruses.
One type of spam is called referrer spam and it affects WordPress sites that aren’t prepared. In addition, it can get into your Google Analytics system, preying on your rankings and turning search engines against you.
It will never go away fully. But that doesn’t mean you can’t