There are two chicken feeding methods:
Free choice feeding method is the process of making feed available to the chickens at all times. This makes sure that chickens have food at all times.
Chickens will only eat when they need to. Chicken feeding amount does not have to be regulated because chickens stop eating when they are full. However, some of the heavier breeds tend to gain extra weight when fed free choice.
I feed my chickens using a homemade feeder, that I fill once a week.
I still inspect it everyday, to make sure their feed is not wet, dirty, or moldy. I find that using this method saves me a lot of time and I know my chickens always have access to food.
Restricted feeding method is often done by feeding more frequently for shorter time periods. There are several situations that makes this method important:
Restricted feeding can be very time consuming when raising chickens. Birds in the lower pecking order may not get enough to eat and when birds are not eating they can get bored. This could lead to cannibalism.
You need to weigh the options and find which method works best for you.