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Web Search Engine Technology

Search Engines

Crawler - Index - Algorithm

Web Search Engines work by using advanced algorithms to crawl, store, and organize the information on the web. The Crawler discovers and scans new content on the web, the Index stores and organizes this content, and the Algorithm ranks the content based on various factors to provide the most relevant search results to users.

Google

Google

A Search Engine is a software system that searches the Web for specific information specified in a textual Web search query. It presents the results in a line called SERPs (Search Engine Results Pages, which include links to Web pages, images, videos, articles, and other types of files.

Duckduckgo

Duckduckgo

Search Engines use automated software robots called Crawlers, Spiders, or Bots to visit Websites, read the information on the site, read the site’s meta tags, and follow the links that the site connects to. The Crawler returns the information to a central depository, where the data is indexed. The Crawler periodically revisits the sites to check for any changes.

Brave

Brave

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Startpage

Startpage

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Swisscows

Swisscows

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Elastic

Elastic

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