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Cookie Policy
We do not use cookies
MasterQR does not use cookies, advertising or tracking technologies, and does not load third-party analytics. Fonts and images are served from our own servers, so your visit is not shared with other companies.
What we keep in your browser
To work properly, some pages keep small items in your browser's local storage. They are strictly necessary, never leave your device and are not used to identify you:
| Key | Where | Purpose | Duration |
|---|---|---|---|
mqr-ck | All public pages | Remembers that you closed this notice. | Until you clear it |
qros-menu-hg-… | Menu pages | Remembers that the welcome window was shown once. | Until you clear it |
qros-poll-… | Live poll pages | Remembers that you voted and shows results. | Until you clear it |
qros-lang | Management panel | Remembers your language choice. | Until you clear it |
qros-session | Management panel | Keeps you signed in. | Removed when you sign out |
Visit statistics
Businesses see aggregated visit counts. These are recorded on our servers without cookies and without storing your IP address (device class, language and time only). See the Privacy Notice for details.
How to clear them
You can clear these items at any time from your browser's “Clear site data” / “Clear browsing data” settings. Pages keep working; only preferences such as language are reset.