Cookie policy
This policy explains the cookies and similar technologies used on this website, what they do and how you can control them. For how we handle the information you send us, see our privacy policy.
Last updated: July 2026.
What cookies are
Cookies are small text files placed on your device when you visit a website. We also use your browser’s local storage in the same way. They let the site remember information between pages and visits — here, mainly which advert or link brought you to us.
Cookies we set
We set our own first-party wml_* cookies when you land on the site. They store marketing attribution values — your UTM parameters (source, medium, campaign, term and content) and advertising-platform click identifiers (for example gclid and a value derived from fbclid) — so that if you make an enquiry we can tell which campaign it came from. The same values are also mirrored in your browser’s local storage.
| Cookie | Purpose | Type | Expiry |
|---|---|---|---|
wml_utm_source, wml_utm_medium, wml_utm_campaign, wml_utm_term, wml_utm_content |
Record which advert, link or campaign brought you to the site. | First-party | 90 days |
wml_gclid, wml_fbc, wml_fbp and similar wml_* click-identifier cookies |
Record advertising-platform click identifiers so an enquiry can be attributed to the right campaign. | First-party | 90 days |
wml_landing_url |
Records the first page you arrived on. | First-party | 90 days |
Analytics and tag manager
We may in future enable Google Tag Manager and analytics tags to understand how the site is used. These are currently switched off. When enabled, they may set their own cookies (for example Google Analytics _ga and _ga_* cookies, typically lasting up to two years) and this policy will be updated to list them. Any values those tools capture are handled as described in our privacy policy.
Managing cookies
You can delete or block cookies through your browser settings, and clear local storage the same way. Blocking our wml_* cookies will not stop you using the site or submitting an enquiry — it only means we may not be able to attribute your enquiry to the campaign that referred you.
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