How do I use Piwik with the keyboard and which keyboard shortcuts are available? FAQ - Analytics Platform - Matomo

The following keyboard shortcuts can be used to navigate the Matomo Analytics (formerly Piwik Analytics) user interface using your keyboard:

z for Zen mode (Zen mode lets you focus and removes all distractions from the UI)
s to open the Segment selector
w to open Website selector
d to open Calendar (d stands for Date)
f to open the Search (f stands for Find)

If you use the User Session Recording product, you can conveniently pause the video, jump a few seconds backwards or forwards, replay the video if it is finished, or play the next or previous page view for the visitor: view the keyboard shortcuts for Session Recording.