To check how much traffic your website is getting from Facebook in Google Analytics 4:
- Log in to your Google Analytics 4 account.
- In the left-hand menu, go to Reports and select Acquisition.
- Click on Traffic Acquisition to see an overview of your traffic sources.
- In the table, look for facebook.com under the Session source or Session source/medium columns.
This will show you the traffic your website is receiving from Facebook.