What Is That Traffic From "l.facebook.com" In Google Analytics?
If you've been looking at your Google Analytics data (which I know you are), you've probably seen traffic coming from "l.facebook.com". You might be asking yourself, "What the heck is that?" Well, it is traffic coming through something called a "link shim". Link shims were created by Facebook to protect you from malicious links. When you click on a link in Facebook, it checks that link against a huge list of maliciou…