Active baby in womb and now not so much?

I’m 23 weeks and for the past 2 weeks I’ve felt my baby kick/move a couple times a day and responded to my taps. Now for 2 days she still moves but less and doesn’t respond as much with my taps.. Should I not be concerned since she is technically still moving? Or should I be concerned since she’s moving less??? I just wanna know if it’s a normal thing for the baby to be moving less than usual