Cookies
Last updated 21 September 2026 · Bookcairn is run independently from India · karankumar@gmail.com
No ad tracking, no third-party analytics cookies, no banner. One session cookie from Clerk when you sign in, and local storage in your browser for books you log before signing in.
Cookies we set
| Name | Set by | Purpose | Lasts |
|---|---|---|---|
__session, __client_uat and related | Clerk | Keeps you signed in and protects against forged requests. Strictly necessary. | Session to 7 days |
bookcairn_dev_user | Bookcairn | Only exists on local development builds as a stand-in for sign-in. Never set on the live site. | 30 days |
Browser storage
bookcairn.library.v1andbookcairn.handlein local storage hold books and the handle you enter before you sign in. They stay on your device and are removed after the one-time import into your account.
Analytics
If we enable analytics, we use Cloudflare Web Analytics, which counts page views without cookies, fingerprinting, or cross-site tracking, and does not identify you.
Third-party content
Book covers load from Open Library, and the payment page is hosted by Dodo Payments. Those sites may set their own cookies under their own policies when your browser loads them.
Managing cookies
Blocking the Clerk cookies will sign you out; everything else works without cookies. Your browser settings let you clear cookies and local storage at any time.