Cookie Policy
Last updated: July 2026
What are cookies?
Cookies are small text files placed on your device when you visit a website. They help the site remember your preferences and work properly.
How we use cookies
This website uses essential cookies — those strictly necessary for the site to function — analytics and performance cookies that help us understand how visitors use the site so we can improve it, and a small number of marketing cookies that help us measure and improve our advertising. We do not sell cookie data to third parties.
Essential cookies we use
| Cookie | Purpose | Duration |
|---|---|---|
| sb-* (Supabase auth) | Maintains admin login session | Session / 1 week |
| localStorage (booking form) | Saves booking form progress locally on your device (not sent to our servers) | Until browser data cleared |
Analytics and performance cookies
These cookies collect anonymised, aggregated information about how visitors use the site — such as pages viewed, clicks and scrolling, or session recordings and heatmaps — so we can find and fix usability problems. They do not identify you by name.
| Cookie | Purpose | Duration |
|---|---|---|
| _ga, _ga_* (Google Analytics) | Measures overall site traffic and visitor behaviour | Up to 2 years |
| _clck, _clsk, CLID, ANONCHK, MR, SM (Microsoft Clarity) | Session recordings and heatmaps showing how visitors navigate the site | Up to 1 year |
| Vercel Insights | Anonymous, aggregated page performance metrics — does not set a cookie | N/A |
Marketing cookies
These cookies are used to measure the effectiveness of our advertising and email communications, and to build audiences for our ad campaigns.
| Cookie | Purpose | Duration |
|---|---|---|
| _fbp (Meta Pixel) | Measures the effectiveness of our Facebook/Instagram advertising and helps build audiences for future campaigns | Up to 90 days |
| __kla_id (Klaviyo) | Recognises returning visitors for email marketing and abandoned-booking reminders | Up to 2 years |
Third-party scripts
We load fonts from Google Fonts, and use Google Analytics, Microsoft Clarity, Vercel Insights, Meta Pixel and Klaviyo as described above. These providers may process data in accordance with their own privacy policies: Google, Microsoft, Vercel, Meta, Klaviyo.
How to control cookies
When you first visit this site, a banner lets you accept all cookies, reject everything except essential cookies, or choose analytics and marketing cookies separately. You can change your mind at any time using the Cookie Preferences link in the footer of any page. You can also control and delete cookies through your browser settings, though disabling essential cookies may affect how the website functions. For guidance on managing cookies visit aboutcookies.org. You can opt out of Google Analytics using Google's browser add-on, and manage how Meta uses your data for ads via Meta's ad preferences.
Contact
If you have any questions about our use of cookies, email hello@travelvaccineslondon.co.uk.