I use noscript and a cookie manager (protection of wanted cookies, deletion of all others upon shortcut). I havent seen facebook tracking pixels by now, are the

I use noscript and a cookie manager (protection of wanted cookies, deletion of all others upon shortcut). I havent seen facebook tracking pixels by now, are they being used? From an img src request they could still see my IP and user agent, plus knew which site I am on, but as far as I can tell they just use script src, and that gets blocked.