It sends back the referrer URL from the search engine that contains info like what keyword was searched on, whether it was paid or organic, which search engine, etc...
The JS doesn't have dependencies in terms of external libraries - self-contained but it obviously depends on our server since it makes an async call back to save the keyword data.
The JS doesn't have dependencies in terms of external libraries - self-contained but it obviously depends on our server since it makes an async call back to save the keyword data.