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Cookie Notice

Effective date: 28 February 2026

This page explains what cookies we use, why we use them, and how you can manage them.

Cookies are small text files stored on your device by your web browser. They help websites remember information about your visit, such as which pages you viewed.

We use Google Analytics 4 (GA4) to understand how visitors use our site. GA4 sets the following cookies:

CookiePurposeDuration
_gaDistinguishes unique visitors2 years
_gidDistinguishes unique visitors24 hours
_ga_<ID>Maintains session state2 years

These cookies collect anonymous, aggregated data such as page views, time on page, and referral source. We have enabled IP anonymisation, so your full IP address is never stored by Google Analytics.

We also use Microsoft Clarity to understand how visitors interact with our site through heatmaps and session recordings. Clarity sets the following cookies:

CookiePurposeDuration
_clckConnects multiple page views by a user into a single Clarity session1 year
_clskConnects multiple page views by a user into a single Clarity session1 day

Clarity does not capture passwords or payment details. Session recordings help us identify usability issues such as confusing navigation or broken layouts. You can learn more about Clarity’s data handling at Microsoft’s Privacy Statement.

The following tools we use do not set cookies:

  • Vercel Analytics — privacy-focused web analytics (no cookies, no personal data)
  • Vercel Speed Insights — page performance monitoring (no cookies)

We do not use:

  • Advertising or retargeting cookies
  • Social media tracking pixels
  • Marketing automation cookies for profiling or ad targeting

When you purchase a product, an overlay checkout is loaded via Lemon Squeezy’s lemon.js script on product pages. This script may set cookies on the lemonsqueezy.com domain during the checkout process. These cookies are necessary for payment processing and are governed by Lemon Squeezy’s Privacy Policy.

Our newsletter subscription forms are powered by Kit (formerly ConvertKit). When you submit your email address, it is sent directly to Kit’s API for processing. Kit does not set persistent tracking cookies on our site. For details on how Kit handles your data, see Kit’s Privacy Policy.

By continuing to browse this site, you acknowledge the use of cookies as described in this notice. You can manage or disable cookies at any time through your browser settings (see below) or by using the opt-out tools listed above.

You can control cookies through your browser settings:

  • Chrome: Settings → Privacy and Security → Cookies
  • Firefox: Settings → Privacy & Security → Cookies
  • Safari: Preferences → Privacy → Manage Website Data
  • Edge: Settings → Cookies and site permissions

You can also opt out of Google Analytics tracking across all websites by installing the Google Analytics Opt-out Browser Add-on.

Disabling cookies will not affect your ability to browse our educational content.

We may update this Cookie Notice as our technology or legal requirements change. The effective date at the top of this page will be updated accordingly.

For questions about our use of cookies: [email protected]

See also: Privacy Policy | Terms & Conditions