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TSP Tools

Cookies and storage

The site sets no cookies of its own. Here is everything it keeps in your browser, and the one choice you can make.

Last reviewed Oct 29, 2026.

Your analytics choice

What is kept in your browser

  • tspcalc:modeRemembers whether you use the backtester in Simple or Advanced mode.Local storage, set by this site. Lasts: until you clear site data.
  • tspcalc:analyticsYour answer to the analytics question, so it is asked once.Local storage, set by this site. Lasts: until you change it or clear site data.
  • Google Analytics cookiesOnly after you accept: tell one browser's visits from another's for visit counts.Cookies, set by Google. Lasts: as set by Google; see its documentation.

Nothing in local storage is sent to the server. The upload page used by the site's owner keeps its token in session storage for that tab only; it is not linked from anywhere.

What is not used

No advertising cookies, no cross-site tracking, no embedded social buttons, no session cookies: there is no sign-in to keep a session for. The privacy page covers what the server keeps.