This website does not store anything. No logs, no cookies, nothing.
Note that everything you do *inside* the virtual machine via vnc that runs on my server (not on your own machine) can be seen by anyone connected to this website.
If you do not move your cursor inside the virtual machine via vnc and do not enter anything inside it, then nobody will see anything you do.
Clicking links or moving your cursor anywhere but inside the virtual machine via vnc will not be seen or logged by anybody.
If you do not wish that anyone can see what you do, then do not do anything or leave this site.