Software system for finding relevant information on the Web
This article is about searching the World Wide Web. For other uses, see Search engine (disambiguation).
It has been suggested that Search engine (computing) be merged into this article. (Discuss) Proposed since September 2023.
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Some engines suggest queries when the user is typing in the search box.
A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. The user inputs a query within a web browser or a mobile app, and the search results are often a list of hyperlinks, accompanied by textual summaries and images. Users also have the option of limiting the search to a specific type of results, such as images, videos, or news.
For a search provider, its engine is part of a distributed computing system that can encompass many data centers throughout the world. The speed and accuracy of an engine's response to a query is based on a complex system of indexing that is continuously updated by automated web crawlers. This can include data mining the files and databases stored on web servers, but some content is not accessible to crawlers.
There have been many search engines since the dawn of the Web in the 1990s, but Google Search became the dominant one in the 2000s and has remained so. It currently has a 91% global market share.[1][2] The business of websites improving their visibility in search results, known as marketing and optimization, has thus largely focused on Google.
^"Search Engine Market Share Worldwide | StatCounter Global Stats". StatCounter. Retrieved 19 February 2024.
^"Search Engine Market Share Worldwide". Similarweb Top search engines. Retrieved 19 February 2024.
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