I'm assuming blue means a key is more used, so it's showing Caps never gets used. enter doesn't make sense though, so maybe it's only showing key combinations?
Why? The purpose of this project was for me to see which keys I press more often so I know which fingers get stressed, and it exactly what the project does
From the title, it sounds like something that any keyboard shortcut enthusiast would be able to extrapolate to their own shortcuts. But if yours are custom, then it's more like a fun fact about yourself.