DNS leak test - Test your connection for DNS leaks.
privacytools.io - You are being watched.
Cover Your Tracks - Cover Your Tracks is a website that comes with an agile approach for the users to test the privacy of add-ons with best-in-class tools and techniques with complete online support.
DNSFilter - DNSFilter offers DNS-Based Content Filtering & Threat Protection.
BrowserLeaks.com - BrowserLeaks.com is a website that checks how much private information your web browser is leaking...
Privacy Guides - The goal of this guide is to make it easy for people to learn how to protect their privacy and educate them about what is happening on the web and how to protect themselves.