http://darkxnsugwf66g4zivlj3nfqie5hyc5ylyjpc3ejz6nlitf6wm7cxpqd.onion/blog/the-impact-of-duckduckgo-on-privacy-and-security.html
While it serves as the default search engine for the Tor Browser, it is important to note that DuckDuckGo can only index and search clear-net websites. Unlike many other search engines, DuckDuckGo does not log your searches or track your browsing behavior. Why Use DuckDuckGo? DuckDuckGo allows users to search billions of clear-net websites without the fear of being tracked, targeted with advertisements, or monitored by governmental agencies.