Top 20 search engines

Here are 20 search engines that are widely used, along with a brief description of each:

**Google** - The most popular search engine, known for its powerful algorithms and vast indexing capabilities.

**Bing** - Microsoft's search engine, offering multimedia search features and integration with Windows products.

**Yahoo!** - Once a major player, it now functions primarily as a web portal and uses Bing's technology for search results.

**DuckDuckGo** - Focuses on user privacy, not tracking search histories or personal data.

**Baidu** - The leading search engine in China, primarily serving Chinese language content.

**Yandex** - The most popular search engine in Russia, offering a wide range of services including maps and email.

**Ask.com** - Originally known as Ask Jeeves, this service allows users to ask questions and receive answers.

**AOL Search** - A long-established search engine that now operates as part of Verizon Media.

**Wolfram Alpha** - A computational knowledge engine that provides answers based on curated data sets rather than web page indexing.

**Ecosia** - An eco-friendly search engine that uses its profits to plant trees.

**StartPage** - A privacy-oriented search engine that fetches Google results without tracking users.

**Qwant** - A French search engine that emphasizes user privacy and does not track users.

**Searx** - A metasearch engine that aggregates results from various search engines while respecting user privacy.

**Swisscows** - A privacy-focused search engine that uses its own indexing and does not track users.

**Gigablast** - An open-source search engine that focuses on indexing a large amount of web data quickly.

**Boardreader** - Specializes in searching forums and message boards.

**Yippy** - A powered search engine that offers clustering for groups of related results.

**MetaGer** - A German metasearch engine that emphasizes user privacy and results from various engines.

**Hypothesis** - A search engine and annotation tool for enhancing online research.

**Fark** - While primarily a community site for user-submitted news articles, it also functions as a search engine for popular content.

These search engines serve different purposes and target different user preferences, including privacy, regional focus, or specialized content.