Legal
Cookie Policy
Last updated: October 14, 2026
What cookies we set
Cookies are small files a website stores in your browser. The table below lists the cookies this site sets when you visit, as we observed them. Some are set by us through Google Analytics; others come from Microsoft Clarity, which records how people use pages, and from Bing. Advertising cookies from Google AdSense will appear here once advertising is live.
The cookies
| Cookie | Provider | Purpose | Lasts |
|---|---|---|---|
| _ga | Google Analytics | Tells visitors apart so we can measure traffic in aggregate. | About 13 months |
| _ga_XX9ZNEB8F7 | Google Analytics | Keeps session state for our Google Analytics property. | About 13 months |
| _clck | Microsoft Clarity | Remembers a visitor’s Clarity identifier across visits. | About 1 year |
| _clsk | Microsoft Clarity | Links the pages viewed during one visit. | 1 day |
| CLID | Microsoft Clarity | Identifies the browser for Clarity analytics. | About 1 year |
| SM | Microsoft Clarity | Synchronises Clarity data during a session. | Session |
| ANONCHK | Microsoft Clarity | Checks whether the browser accepts Clarity cookies. | Short-lived |
| MR | Microsoft Clarity and Bing | Refreshes the identifier used by Clarity and Bing. | About 1 week |
| MUID | Microsoft (Bing) | Identifies the browser across Microsoft services. | About 13 months |
| SRM_B | Microsoft (Bing) | Stores Bing settings for the browser. | About 13 months |
Consent
Where consent is required, for example for visitors in the European Economic Area and the United Kingdom, a consent message from Google lets you accept or manage these cookies. You can change your choices through that message at any time.
Managing cookies
You can block or delete cookies in your browser settings. Blocking them will not stop the site working, but it will mean we see less about how it is used. For more on how we use information in general, see our privacy policy.