Privacy Policy
This policy explains what information lean4.dev may collect, how it is used, and how advertising works on the site.
Last updated: June 2026
Who operates this site
Lean 4 Dev is an independent educational website available at lean4.dev. For privacy questions, contact [email protected].
Information you provide
If you email the site, the message may include your email address, name, and any information you choose to include. This information is used to respond to your message, handle corrections, and improve the site.
Automatically collected information
The hosting provider and security services may process standard technical data such as IP address, request URL, browser type, device information, referrer, and timestamps to deliver the site, prevent abuse, and troubleshoot errors.
Cookies and advertising
This site may use Google AdSense. When ads are enabled, Google and its partners may use cookies or similar technologies to serve ads, limit repeat ads, measure ad performance, and help prevent fraud.
- Learn how Google uses data on partner sites at policies.google.com/technologies/partner-sites.
- Manage Google ad personalization at adssettings.google.com.
EEA, UK, and Switzerland consent
For visitors in the European Economic Area, the United Kingdom, and Switzerland, personalized advertising should only be served after the required consent has been collected through a Google-certified consent management platform where required by Google policy and applicable law.
Data sharing
Lean 4 Dev does not sell personal information. Data may be processed by service providers that help operate the website, deliver security, handle email, or provide advertising and measurement services.
Your choices
- You can block or delete cookies in your browser settings.
- You can opt out of personalized Google ads through Google ad settings.
- You can contact the site to request deletion of email correspondence you sent.
Changes
This privacy policy may be updated when the site changes providers, analytics, advertising setup, or contact workflows. Material changes will be reflected on this page.
See also the Terms.