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| Name / provider | Purpose | Type | Duration |
|---|---|---|---|
| tch_consent (this site) | Remembers your choice in the cookie banner | Necessary | Until you clear your browser |
| tch_gclid (this site) | Remembers the Google advert click that brought you here so that, if you send the form, I know which advert worked | Necessary for advert measurement | Until you clear your browser |
| _gcl_au, _gcl_aw and related (Google Ads) | Measures whether people who clicked my advert on Google went on to contact me | Advertising measurement | Up to 90 days |
| _clck, _clsk, CLID and related (Microsoft Clarity) | Anonymised recordings and heatmaps of how the page is used, so I can improve it | Analytics | Up to 1 year |
| _ga, _ga_XGJVF35ZZN (Google Analytics) | Counts visits and which pages and developments people look at, without identifying you | Analytics | Up to 2 years |
To withdraw consent, delete this site's data in your browser settings (cookies and site data) and the banner will appear again on your next visit. You can also block cookies globally in your browser.
Google: policies.google.com/technologies/cookies. Microsoft Clarity: privacy.microsoft.com/privacystatement. See also my privacy policy.