Cookie Policy
Last updated: 15 March 2026
1. What Are Cookies
Cookies are small text files placed on your device when you visit a website. They help the site function properly, remember your preferences, and provide us with information about how visitors use the site.
2. How We Use Cookies
We use cookies and similar technologies on tanzenenergy.com for the purposes described below. We categorise cookies as strictly necessary (which do not require consent) and optional (which require your consent via our cookie banner, powered by CookieYes).
3. Strictly Necessary Cookies
These cookies are essential for the website to function and cannot be switched off. They do not require your consent.
| Provider | Cookie(s) | Purpose | Duration |
|---|---|---|---|
| CookieYes | cookieyes-consent | Stores your cookie consent preferences | 1 year |
| Cloudflare | __cf_bm | Bot detection and security | 30 minutes |
| Stripe | __stripe_mid, __stripe_sid | Fraud prevention for payment processing | 1 year / session |
| Crisp | crisp-client/* | Live chat session management | 6 months |
| Next.js | __next_* | Session and routing functionality | Session |
4. Analytics Cookies (Require Consent)
These cookies help us understand how visitors use our website so we can improve it. They are only set if you consent via the cookie banner.
| Provider | Cookie(s) | Purpose | Duration |
|---|---|---|---|
| Google Analytics 4 | _ga, _ga_* | Tracks sessions, page views, and conversion events. IP addresses are anonymised. | 2 years |
| Hotjar | _hj*, ajs_* | Session recordings and heatmaps showing how users interact with our site. All data is anonymised. | 1 year |
5. Cookieless Analytics
We also use Plausible Analytics, which is a privacy-focused analytics tool that does not use cookies, does not collect personal data, and does not require consent under UK GDPR or the Privacy and Electronic Communications Regulations (PECR). Plausible uses no cookies whatsoever.
6. How to Manage Cookies
You can manage your cookie preferences in the following ways:
- Cookie banner: When you first visit our site, the CookieYes banner allows you to accept or reject optional cookies. You can change your preferences at any time by clicking the cookie icon in the footer.
- Browser settings: Most browsers allow you to block or delete cookies through their settings. Note that blocking all cookies may affect site functionality.
- Google Analytics opt-out: You can install the Google Analytics Opt-Out Browser Add-on at tools.google.com/dlpage/gaoptout
7. Changes to This Policy
We may update this cookie policy to reflect changes in the cookies we use or for other legal or operational reasons. The latest version will always be available on our website.
8. Contact
If you have questions about our use of cookies, contact us at hello@tanzenenergy.com or by phone on 07356 065255.