Five types of search engine

1. Web search engines: These search engines index and retrieve information from websites on the World Wide Web. Examples include Google, Bing, and Yahoo.

2. Image search engines: These search engines specialize in finding and retrieving images based on specific user queries. Google Images and Bing Images are popular examples.

3. Video search engines: These search engines specifically index and make it easier to find videos on the internet. YouTube and Vimeo are examples of video search engines.

4. News search engines: These search engines focus on indexing and retrieving news articles and related content. Google News and Bing News are examples of news search engines.

5. Scholarly search engines: These search engines are designed to find scholarly articles, research papers, and other academic resources. Examples include Google Scholar and Microsoft Academic.