On a few occasions, I’ve been doing something like this myself, which I like to call a “catch”. I remember seeing my sister’s Facebook page with a big screen that told me to hit “F” before she logged in, so I hit F.
When I type this, it tells me that I’m on the F screen and that it’s telling me that I am on the F screen and it’s telling me to hit F.
Catch, catch, and go try again.
This is a common technique used by developers to help their work flow better. It is also a very common way for users to access a site with a web browser. In fact, you can even use it to access your own browser’s history. It is a quick way to navigate your site without having to use the arrow keys or page up and page down.