I'm curious because I switched from uBol to Privacy Badger on my Microsoft Edge browser (since I only use it to check my emails and LinkedIn, so there aren't many ads to block), and it blocked over 3500 trackers in two days (altogether, nearly an hour on Microsoft Edge), and the experience was way faster.
PB blocks third-party trackers; it rarely blocks first-party trackers for compatibility reasons, but it has the capability to do so.
uBoL blocks third-party trackers using certain subscribed filter lists, but it does not block all first-party trackers.
To increase the likelihood of blocking trackers, you need to enable the “Medium mode” dynamic filtering in uBoL, and to achieve certain levels of blocking, you may also need to use some custom DNR rules.
In this case, uBoL’s total tracker-blocking capability exceeds that achievable with PB.
However, it should be noted that it is very difficult—for both the average user and even the advanced user—to use uBoL in Medium mode along with any custom DNR rules due to the lack of a log.
I can do this partially in Chrome because I know how to use the browser’s developer tools.
With Firefox, it would be impossible because uBoL in Firefox does not display the blocked elements counter.
Also note that the PB counter appears to block trackers exclusively (but this is not the case); trackers can also be blocked solely by Edge’s built-in tracker-blocking feature.
To properly evaluate this feature of PB, you need to run tests using Firefox and the browser’s developer tools.
In Firefox, blocked trackers are listed more clearly than in Chromium-based browsers.
