Cookies.
Effective 23 April 2026
What cookies we use
Cookies are small text files set on your device when you visit our website. We use three categories: essential (required for the site to work), analytics (help us understand how the site is used), and marketing (measure ad campaigns and identify B2B visitors). Analytics and marketing cookies are only set with your consent.
Inventory
| Name | Provider | Category | Purpose | Lifetime |
|---|---|---|---|---|
| qf_consent_v1 | QuantFlow | Essential | Stores your cookie and analytics choices so we can honour them across page loads. | 180 days |
| sb-* (Supabase auth) | Supabase | Essential | Keeps you signed in to the QuantFlow admin surface. Only set for staff users who log in. | Session / up to 7 days |
| _ga, _ga_* | Google Analytics 4 | Analytics | Distinguishes unique visitors and sessions to help us understand how the site is used. | Up to 2 years |
| _gid | Google Analytics 4 | Analytics | Distinguishes visitors within a single day for session-level analytics. | 24 hours |
| _gcl_au, _gcl_aw | Google Ads | Marketing | Measures ad-click conversions so we can evaluate the effectiveness of paid campaigns. | Up to 90 days |
| leadsy_* / vtag | Leadsy.ai | Marketing | B2B visitor identification for outbound sales. Matches company-level signals to site visits. | Up to 1 year |
| Plausible Analytics | Plausible (EU) | Analytics | Cookieless, privacy-preserving page-view analytics. No personal data or cross-site tracking. | No cookies set |
Managing your choice
Your consent decision is stored in your browser (in a first-party cookie and in localStorage under the key qf_consent_v1). You can change it at any time using the button above, or clear your browser storage to reset it. If you reject non-essential cookies, the tracking scripts for Google Analytics, Google Ads and Leadsy.ai will not be loaded on your device.
Questions
For anything related to cookies or data processing, email privacy@quant-flow.com. See also our Privacy Policy.