Last updated: 5 September 2026
Challenge analytics and ad measurement
On stoicchallenge.co, analytics and ad measurement have separate choices. Ad-measurement cookies are allowed only when you choose Ad measurement. They help Google connect visits and signups to an ad interaction. Personalised advertising stays off. Use Privacy settings on stoicchallenge.co to review or withdraw your choices, or choose Essential only to turn both optional choices off.
Cookies are small files stored on your device that help websites work and help me understand how the site is used.
What this site uses
- Essential cookies that make the site function, for example keeping you logged in if you are a member.
- Analytics cookies that tell me, in aggregate, which pages people read.
- If I embed content from other services, such as YouTube videos or a podcast player, those services may set their own cookies.
Your choices
You can control or delete cookies through your browser settings. Blocking essential cookies may stop parts of the site working.
Questions: jon@stoichandbook.co.