Day 1 Les Houches -> Ref Miage

Sign-in, security, checkout, support chat when you open it, and remembering these choices.

Google Analytics and PostHog (our own EU-hosted analytics) — which pages are visited and how features are used, so we can improve HiiKER.

Google Ads, Meta, Reddit and X pixels and Rewardful referral tracking — they tell those platforms when someone arrives from, or buys after, one of our ads or referrals. Turning this off opts you out of the "sale" or "sharing" of your personal information for targeted advertising.