Compton has 3 big parts in its file.

• Shadow
• Opacity
• Fading

We have an Arch Wiki page to learn even more.

Choose glx or xrender. Only if you have trouble with your graphical hardware.

We show you that there are lots of articles and video's about compton.

Compton is a project that is under constant development and we just follow along.

Sources :

ArcoLinux.com and search for compton

ArcoLinuxd.com and search for compton

Youtube channel of ArcoLinux and search for compton

Two tips

1. get transparency in Virtual Box

2. figure out what is wrong starting compton in the terminal