Privacy
This site counts visits and nothing more. The tula binary counts nothing at all.
Your choice
No choice yet. In Europe GA sets no cookies until you allow them; elsewhere it does unless you decline.
What this site measures
Page views, through Google Analytics 4: the page, where the visit came from, and the rough location, device and browser Google derives from it. Google Analytics does not store IP addresses. There is no advertising and no other tracker.
Its cookies, _ga and _ga_*, tell one visit from the next. From the European Economic Area, the United Kingdom and Switzerland none is set until you allow it, and Google receives only cookieless pings that carry no identifier; like any server, it still sees the address they come from.
What else leaves your browser
Nothing you type into a calculator: they work on the page and send nothing anywhere.
The footer’s Peerlist badge is an image from peerlist.io, requested without saying which page asked for it.
Vercel, which hosts the site, receives each request in order to answer it.
What is kept in your browser
Your analytics choice, in this site’s local storage. It is never sent anywhere, and clearing this site’s data removes it, so you are asked again.
The binary
tula sends nothing to us. What it does connect to, and why, is on the security page.
Questions: open an issue. Last updated 20 October 2026.