I do most all of my practice dry fire as I don't have time to get out to the range as often as I'd like. Almost every single night I do the below routine.
Warm up - 5 minutes
Set of Shotgun, Pistol, and then Rifle drills - 20 minutes
Break
Redo set of Shotgun, Pistol, and Rifle drills - 20 minutes
I used to do 3 sets of the drills but was getting a lot of pain in my hands and elbows after a few years of that so I cut back.
Warm up is pistol only, striker/hammer reset after each shot. Work on trigger control just holding sight on target, then draws from several different starting positions as well as strong and weak hand. Focusing on making sure the front sight doesn't move throughout the trigger pull, grip consistency, speed, and sight alignment.
My sets of drills for pistol, shotgun, and rifle always cover a few basics but I will change them up if I've found something I need to work on or there's a unique skill required at an upcoming match. All drills you have to focus on gripping the gun the same way as if you had recoil, getting a proper sight picture, and calling your shots. If you start letting yourself get sloppy in dry fire with not calling your shots you aren't doing yourself any favors. It's easy to go fast when you don't have targets to show your score. All drills I immediately put the safety on when finished so that's second nature and I can quickly do it when abandoning a gun on a 3-Gun stage.
Shotgun I usually do the same thing but vary the start positions and direction I go. Start position pick up gun off table, low ready, or port arms, then shoot at 4 targets on the wall, reload 4 dummy shells while moving then four shots on the move. Each start position done twice going left to right then again right to left for 12 total runs. If I'm expecting some difficult slug shots I'll set the trigger and practice trigger control offhand 10 times.
Pistol is a little more complicated, I shoot USPSA production division so I have a good number of reloads in here. I have six targets on the wall, first I draw and fire one shot at each one, reload, repeat, reload, and repeat. Do that again going the opposite direction. That's for practicing transitions, getting your eyes to the next target quickly is more difficult when you have one shot on a bunch of targets. Next I do two shots on each of 3 targets, reload, same, reload, same and then do the drill again in the opposite direction. Do something similar next with strong and weak hand. After that I shoot 3 targets, reload while moving, and shoot the targets again on move. Then practice coming into and out of shooting boxes, being ready when stepping into box and setting up quickly. Start in one box, shoot at 3 targets, move to next box, shoot 3 targets, then starting moving forward while reengaging targets again. Drill starts are mixed from surrender facing uprange and downrange, hands at sides, loaded and unloaded table starts. Pistol magazines are weighted with dummy bullets.
Rifle I have 3 larger and 3 smaller targets. It's similar to shotgun that I do it from 3 start positions each twice from 2 directions for 12 runs total. The larger targets I put 2 on, smaller 1 making sure I slow down on them enough to have a good called shot, then I move to the next shooting position practicing getting the rifle up in position as I step in the box, repeat the same target sequence, and last start to move forward while reengaging the 3 large targets with 2 each. After that I go to 4 power, set the trigger and practice trigger control at some small dots I have on the wall. This is done last so I'm breathing a little heavy after all the running back and forth.