Vivaldi 5.4 on Android adds counters to show the number of blocked ads and trackers, a close-all other tabs option, and a restructured menu for easier navigation.
More a warning and why is important to use ad and trackerblocker. It's educative to see at the end of the day, how many page had tried to look over your schoulders.
In Desktop this amount in three days, after the last reset (trackers and ads)