Cookie policy

Essential (always on)

• theme: remembers light or dark mode, in local storage.
• calchub-consent: remembers your consent choice so the banner doesn't reappear on every visit.

Analytics (with your consent)

Only set if you click Accept. Details at policies.google.com/technologies/cookies.

• _ga and _ga_*: set by Google Analytics to distinguish visits and measure usage; kept for up to two years.

Advertising (with your consent)

When Google AdSense is enabled, Google may set cookies to measure and personalise ads. If you choose Essential only, only non-personalised ads are shown. Details at policies.google.com/technologies/ads.

What we don't use

• Login cookies; the site has no accounts.
• Trackers that sell or share your data.

How to control them

Change your choice any time with the "Cookie settings" button at the bottom of the page, or clear cookies and local storage in your browser settings.