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Cookies
Last updated 14 October 2026
The cookies below are needed for the site to work, so they're always on. Blocking them may stop sign-in or your workspace from working. We don't use advertising cookies.
| Cookie | What it does | How long |
|---|---|---|
| hdd_ws | Links your saved properties, reports and purchases to this device when you're not signed in. | 90 days |
| hdd_session | Keeps you signed in. | Up to 90 days, or until you sign out |
| hdd_signin_pending | Remembers which email a sign-in link was sent to. | 15 minutes |
| hdd_email_pkce, hdd_oauth_pkce | Secures the sign-in step. | Up to 15 minutes |
| hdd_save_prompt | Remembers that you've dismissed the prompt to save your work. | 180 days |
| hdd_analytics | Remembers whether you accepted or rejected analytics cookies. | 1 year |
Analytics cookies (only if you accept)
If you accept analytics cookies, Google Analytics sets _ga and _ga_* cookies (up to 2 years) to count visits and see which pages are used. Nothing loads until you accept, and the site works the same if you don't. You can change your mind at any time: rejecting deletes these cookies.
When you pay, you're taken to Stripe's checkout page, which sets its own cookies for payment security and fraud prevention. Stripe's cookie policy applies there.