Legal
Cookie Policy
Last updated: 13 October 2026
This website uses cookies and similar technologies only where necessary to provide the service you request. Because we use no analytics, advertising or profiling cookies, no consent banner is required under the ePrivacy Directive and the GDPR; we show a short information notice instead.
Cookies we use
| Name | Purpose | Type | Duration |
|---|---|---|---|
pd_session | Keeps you signed in to your account | Strictly necessary, first-party, HttpOnly | 30 days |
pd_csrf | Protects forms against cross-site request forgery | Strictly necessary, first-party | Same as the session |
pd_oauth | Protects the "Sign in with Discord" step against forgery | Strictly necessary, first-party, HttpOnly | 10 minutes, deleted after sign-in |
pd_ref | Remembers the friend code of an invitation link you opened, so your friend gets the free week | Functional, first-party, set only when you open such a link | 30 days |
Local storage
| Key | Purpose | Where |
|---|---|---|
pd.notice | Remembers that you closed the cookie notice | Website, your browser only |
| HTTP cache | The pictures and terrain of the 3D scene on the home page, so they load faster next time | Your browser only |
perfdeck.* | Your flight data and display preferences in the PerfDeck app | Your browser only (never sent to us) |
Third parties
No third-party scripts, fonts or trackers are loaded on our pages. "Sign in with Discord" takes you to discord.com, where Discord's own cookie policy applies.
How to control cookies
You can delete or block cookies in your browser settings. Blocking the strictly necessary cookies prevents you from signing in.