Privacy Policy
Last updated: March 4, 2026
TrainDex ("we", "us", "our") operates traindex.co. This Privacy Policy explains how we collect, use, and protect your information when you use our service.
Information We Collect
We collect the following types of non-personal information automatically when you visit TrainDex:
- Search queries and page views (to improve search results and site functionality)
- Device type, browser type, and operating system
- IP address (anonymized for analytics)
- Referring URL and pages visited
We do not collect personally identifiable information unless you voluntarily provide it (e.g., by contacting us via email).
Cookies and Tracking Technologies
TrainDex uses cookies and similar technologies for the following purposes:
- Google Analytics — to understand how visitors use TrainDex, including page views, session duration, and traffic sources. Google Analytics uses cookies to collect anonymized usage data. You can opt out by using the Google Analytics Opt-Out Browser Add-on.
- Google AdSense — to display relevant advertisements. Google AdSense may use cookies to serve ads based on your prior visits to TrainDex or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.
- PostHog — to understand product usage patterns and improve the TrainDex experience. PostHog collects anonymized interaction data such as page views and feature usage. When you decline cookies, PostHog operates in memory-only mode and does not persist any data. Learn more at PostHog's Privacy Policy.
You can control cookies through your browser settings. Disabling cookies may affect some site functionality.
Third-Party Advertising
We use Google AdSense to display advertisements on TrainDex. Google and its partners may use cookies to serve ads based on your visit to TrainDex and other sites on the internet. Third-party ad servers or ad networks may use technologies such as cookies, JavaScript, or web beacons in their advertisements. For more information on how Google uses data from sites that use its services, visit Google's Privacy & Terms.
Affiliate Links
TrainDex contains affiliate links to third-party marketplaces (including eBay and hobby retailers). When you click these links and make a purchase, TrainDex may earn a commission at no additional cost to you. These third-party sites have their own privacy policies, and we are not responsible for their practices.
Your Rights
Depending on your location, you may have the following rights regarding your data:
- California residents (CCPA) — You have the right to know what personal information is collected, request deletion of your data, and opt out of the sale of personal information. TrainDex does not sell personal information.
- European visitors (GDPR) — You have the right to access, rectify, or erase your personal data, restrict processing, and data portability. Since we collect only anonymized analytics data, most GDPR requests can be addressed by clearing your browser cookies.
To exercise any of these rights, contact us at the email address below.
Data Retention
Anonymized analytics data is retained for up to 26 months. Search query data used for trending features is retained for up to 48 hours.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date.
Contact
If you have questions about this Privacy Policy or wish to exercise your data rights, please contact us at: [email protected]