A cookie is a small file the site stores in your browser. Below is the complete list of the ones we use.
Strictly necessary cookies
sid — session cookie, keeps you logged in. Lifetime: 30 days. Without it you cannot use an account.
Local storage in the browser
The editor keeps in browser storage (localStorage) the last scene you worked on, your saved views and the fact that you have seen the tour. This data never leaves your computer and you can clear it from browser settings.
Third-party cookies: visit statistics
If you accept cookies, we use Google Analytics to see which pages are read, which countries visitors come from and how they reach the site. Google sets the _ga and _ga_* cookies, lasting up to 2 years. IP addresses are anonymised before storage.
Without your consent, Google Analytics does not load at all. You can withdraw consent at any time by clearing this site's data in your browser, or install Google's opt-out add-on.
Third-party cookies: advertising
If ads served by Google AdSense appear on the site, Google and its partners may place cookies to show ads based on your prior visits to this or other websites.