DuckDuckGo is a privacy-focused internet search engine that does not profile its users and shows all users the same results. When using DuckDuckGo you can be sure that your query results are net generated in a personalized search result bubble. DuckDuckGo is free to use and does not store your search history, the advertisement done on the platform is based on keywords only.
Pros & Cons of DuckDuckGo
No Personalized Ads
DuckDuckGo makes their money from private ads shown next to search results. These ads are not based on personal information like search, browsing, and purchase history, like with other search engine like Google or Bing. If you search for the term dogs, DuckDuckGo will show you ads related to dogs and not based on prior activity.
Combined Search Index
DuckDuckGo's results are a compilation of more than 400 sources, including Yahoo! Search BOSS, Wolfram Alpha, Bing, Yandex, its own web crawler the DuckDuckBot.