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"Cookie" Policy

 

Cookie Policy (UK)

Last updated:

This Cookie Policy explains how C & M Navigation Systems (“we”, “us”, “our”) uses cookies and similar technologies on cmnav.co.uk. It should be read together with our Privacy Policy.

1. What are cookies?

Cookies are small text files placed on your device when you visit a website. They can be “session” cookies (deleted when you close your browser) or “persistent” cookies (stored for a defined period). Similar technologies include local storage, pixels and tags. In the UK, the use of non-essential cookies is governed by PECR and UK GDPR.

2. How we use cookies

We use cookies to make our site work (security, basket, checkout), to remember your preferences, to understand site performance, and — where you consent — to measure campaigns and improve our products.

3. Types of cookies we use

  • Strictly necessary – required for core functionality (e.g., secure sign-in, cart, checkout, fraud prevention). Consent is not required.
  • Functional – remember choices (e.g., currency, region, cookie preferences). Consent required if not strictly necessary.
  • Analytics/performance – help us understand usage to improve the site (e.g., page views, errors). Consent required.
  • Advertising/marketing – measure or deliver ads, including social and retargeting pixels. Consent required.

4. List of cookies

Below is a representative list. Exact cookies may vary by browser, device, and updates from our providers.

Strictly necessary

Name Provider Purpose Expiry
_shopify_s, _shopify_y, cart, cart_sig, secure_customer_sig Shopify Core store functions: cart/session integrity, checkout security, customer login. Session to 1 year
__cf_bm / similar Cloudflare (if used) Bot management and site security. Up to 30 minutes

Functional

Name Provider Purpose Expiry
cookie_consent, preferences CMNAV Stores your cookie choices and hides the banner. 6–12 months

Analytics

Name Provider Purpose Expiry
_shopify_sa_*, _shopify_ga Shopify Analytics Store analytics (traffic, conversions). Set only with consent. Session to 2 years
_ga, _gid, _gat (if Google Analytics used) Google Website usage statistics. Set only with consent. 24 hours to 2 years

Advertising/Marketing

Name Provider Purpose Expiry
_fbp (if Meta Pixel used) Meta Ad delivery/measurement and retargeting. Set only with consent. 3 months

6. Third-party cookies

Some cookies are set by third parties (e.g., Shopify, payment processors, analytics providers). We do not control these cookies directly. Refer to their privacy/cookie policies for details.

7. Retention

Cookie lifetimes vary. We aim to keep durations proportionate to their purpose and respect your choices by not setting non-essential cookies unless you have consented.

8. Changes to this policy

We may update this policy to reflect changes in cookies or legal requirements. The “Last updated” date shows the latest revision.

9. Contact

Questions? Email contact@cmnav.co.uk.

This policy is intended to comply with UK PECR and UK GDPR for the use of cookies and similar technologies on cmnav.co.uk.

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