Cookie Policy
Last updated: 4 July 2026
This page explains how Class Diagnostix uses cookies and similar technologies on the website and app. Cookies help keep the app secure, keep users signed in, remember useful preferences, and, where you consent, help us understand how the service is used. Optional analytics are not currently enabled on the production Class Diagnostix website or app.
You can change optional cookie choices at any time.
Types of cookies we use
| Category | Name or technology | Purpose | Duration | Essential? |
|---|---|---|---|---|
| App authentication and security | session |
Keeps authorised users signed in and stores essential session information for uploads, report generation, and security. | Usually until browser or session expiry unless configured otherwise. | Yes |
| App security | CSRF/session security values | Helps protect forms and requests against cross-site request forgery and unauthorised actions. | Session. | Yes |
| App browser storage | localStorage |
Stores app state such as background export job identifiers, dismissed prompts, report view preferences, and specification-mapping defaults. | Until cleared by the user, overwritten by the app, or no longer needed. | Usually yes or preference-based |
| App browser storage | sessionStorage |
Stores temporary report view, comparison, and print/export preferences for the current browser session. | Until the browser tab/session is closed or cleared. | Usually yes or preference-based |
| Cookie preferences | classdiagnostix_cookie_consent_v1 |
Stores your cookie choice so we do not ask you again on every page. | 12 months, unless cleared or replaced by a newer consent version. | Yes |
Managing cookies
Strictly necessary cookies are required for the website and app to work securely. Optional analytics cookies are not currently enabled. You can also block or delete cookies through your browser settings, but blocking necessary cookies may stop login, uploads, report generation, or PDF export from working.
A live scan of the public production pages on 4 July 2026 did not identify Wix platform cookies or Google Analytics cookies being set by Class Diagnostix. If optional analytics or other non-essential cookies are introduced later, this page and the cookie controls should be updated before use.