playback Master

You need to read a few pages before you get started. Users go through clear
steps meant for technical calibration.
Clear start page that leads to preparation sections for each test type.
Easy link navigation on the left side of the page – You can skip to whatever
chapter you want to read by selecting it. The site is a bit busy visually.
The exercises in the learning section are marked with special icons for easier
navigation.
The platform looks functional, but the design is just a little outdated.
Users can access technical help at any time.
You can ask for assistance by using the message box.
Videos take a while to load.