If a door binds open it grasp the knob and lift up to see if a hinge is loose.
Stiffen door hinges.
Take out the center hinge pin and put it in a vice.
If the hinge screws have been loose for only a short time you may need to tighten them with a screwdriver.
Drill and tap a hole on each of the knuckle of the hinge so that you can screw a couple set screws in so that it pokes the hinge pin.
Open the door grasp it by the lock edge and move it up and down.
Reinstall it and check the result.
The tighter that you tighten the set screws the more resistance.
Simple quick and works like a.
If more resistance is needed bend the pin more or bend a second pin.
Smack it with a hammer to put a slight bend in it.
If you encounter movement at the hinge screws they need to be retightened.
Put the pin back in and it will stop the door from swinging.
Applying some sort of lubricating oil on the door hinge usually fixes the door squeak right away.
On the latch side a door is cut at a slight bevel to make it easier to close.