Chiptunings are not for gasoline?

I look at the sites for diesel. Why only for diesel?

inside gasoline vehicles

because it is a turbo

Since chip application is more accurate than gasoline, more efficiently in atmospheric vehicles compared to diesel, it is not working too much.

It does not give much better results in gasoline vehicles because it is worth knowing because diesel engines are turbocharged and chip tunings are more popular depending on the structure.