About This Cookie Policy
This Cookie Policy explains what cookies are, how CalkHub uses them, and the choices you have. By continuing to use CalkHub you agree to the use of cookies as described here.
Last updated: May 17, 2026
What Are Cookies?
Cookies are small text files stored on your device when you visit a website. They allow websites to recognise your device, remember preferences, and in our case, serve and measure advertisements.
Cookies may be session cookies (deleted when you close your browser) or persistent cookies (remain until they expire or you delete them). They may be set by CalkHub directly ("first-party") or by our partners ("third-party").
Categories of Cookies We Use
| Category | Purpose | Can be disabled? |
|---|---|---|
| Strictly Necessary | Core site functionality (e.g. security, session management) | No |
| Analytics | Self-hosted analytics — counts page views and sessions using first-party cookies only. No data sent to third parties. | Yes — see below |
| Advertising (future) | If Google AdSense is enabled in the future, Google may use cookies to deliver and measure personalised ads. You will be notified before these are placed. | Yes — see below |
Google AdSense Cookies (If Enabled)
CalkHub does not currently use Google AdSense. If AdSense is enabled in the future, the following Google cookies may be placed on your device. You will always be notified via a cookie consent banner before this occurs.
| Cookie | Provider | Purpose | Expiry |
|---|---|---|---|
| DART / IDE | Google / DoubleClick | Interest-based advertising; tracks users across sites to deliver targeted ads and measure conversions | 13 months |
| NID | Stores preferences for Google services; used in ad targeting | 6 months | |
| DSID | Google / DoubleClick | Identifies signed-in Google users for cross-device ad targeting | 2 weeks |
| test_cookie | DoubleClick | Checks that the browser supports cookies | Session |
For a comprehensive list of Google cookies visit Google's cookies page.
Managing & Disabling Cookies
You have several options for controlling cookies:
- Browser Settings: All major browsers let you block or delete cookies. Note that blocking all cookies may affect CalkHub functionality. Instructions for popular browsers:
— Google Chrome | Mozilla Firefox | Apple Safari | Microsoft Edge - Google Ad Settings: Opt out of personalised Google ads at g.co/adsettings.
- Network Advertising Initiative: Opt out from multiple ad networks at networkadvertising.org.
- Your Online Choices (EU): Manage ad preferences at youronlinechoices.eu.
More Information
For more detail on how we handle personal data see our Privacy Policy. For questions about our use of cookies, contact us.
Manage Your Cookie Preferences
You can review and withdraw your cookie consent at any time. Withdrawing consent will clear all stored cookie preferences and show the cookie banner again on your next visit.
Note: Withdrawing consent does not delete any cookies already placed by third-party services. You may also manage cookies directly through your browser settings or via Google's Ad Settings.