No. There's no perfect antivirus in the world, but what I mean is that
A. It's proven with these tests that it catches more viruses than bitdefender. It can't be by chance always in the list and bitdefender not.
B. I had tried bitdefender, norton, kaspersky etc and they all slowed down my computer. The reason I installed them? I listened to all these sites saying bitdefender or Norton is the best.
I have no mean to offend you, but I have tried all these antiviruses and forticlient is the best of them. (As I said previously, bitdefender gets great marks because it can clean junk etc, but this is not what an antivirus is supposed to do