I use the reduced volume approach myself. It's really all mental, but keeping weight high and reducing volume just feels less like a deload to me, but it gives your body a break all the same.
You also don't have to deload everything at the same time.
My routine is based on PHAT. Upper, lower, (power) push, pull, legs (hypertrophy).
If I stall on a lift on my power day, I perform one less set on all related lifts for the whole week. I also remove any drop sets or forced reps if part of my routine.
Example, I stall on BB flat bench (my primary power chest lift). Any chest/tricep/anterior deltoid exercise gets reduced by one set.
Usually if I stall it's because my diet or sleep was subpar. So I also focus on that and make sure I get back on track.