---
title: "Cookie policy · Lustre"
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> Index of every page on this site: [llms.txt](https://getlustre.co.uk/llms.txt)

# Cookie policy

*Last updated: 5 November 2026*

This policy explains the cookies and similar technologies Lustre uses, and how you can control them. "Similar technologies" means other ways of storing or reading information on your device, such as your browser's local storage.

## Your choices

We follow the UK Privacy and Electronic Communications Regulations (PECR) and the equivalent EU rules (the ePrivacy Directive, as implemented in each EU country). We only use optional technologies, such as analytics, if you agree, wherever you're visiting from. You can change your choice at any time with **Cookie settings** at the bottom of every page.

Strictly necessary technologies don't need your consent, because the website or service can't work without them.

## Strictly necessary

| Name | Type | What it does | How long |
| --- | --- | --- | --- |
| `lustre-consent` | Local storage | Remembers your cookie choices, so we don't ask on every visit | 12 months |
| `device` | Local storage | Holds your device check while it's in progress on your phone, so that a refresh doesn't lose it. Cleared when you submit the check | Until the check is submitted |
| `admin_session` | Cookie | Keeps Lustre staff signed in to the admin area | 24 hours |
| Cloudflare security | Cookie | Cloudflare, our hosting provider, may set cookies such as `__cf_bm` to tell people apart from bots and protect the website | Up to 30 minutes |
| Cloudflare Turnstile | Browser signals | Checks that the contact form is filled in by a person, not a bot | For the check only |
| App cache | Cache storage | Stores parts of the website on your device so that the device check loads quickly and works on a poor connection | Until the website updates |

## Analytics (optional)

| Name | Provider | What it does |
| --- | --- | --- |
| Cloudflare Web Analytics | Cloudflare | Counts page visits and records the referring website, and your browser, device type and country, to help us improve the website |

Cloudflare Web Analytics doesn't use cookies or local storage, and doesn't track you across other websites. We still only load it if you agree, and it's off until you do.

## Managing cookies in your browser

You can also block or delete cookies and local storage in your browser settings. If you block strictly necessary ones, parts of the website, such as the device check, may not work.

## More information

Our [privacy policy](https://getlustre.co.uk/privacy) explains how we use personal information. For questions, email **[hello@getlustre.co.uk](mailto:hello@getlustre.co.uk)**.

```json
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```

## Sitemap

See the full [sitemap](https://getlustre.co.uk/sitemap.md) for all pages.