{"id":13135,"date":"2023-06-01T16:00:02","date_gmt":"2023-06-01T20:00:02","guid":{"rendered":"http:\/\/local.brightwhiz\/?post_type=glossary&p=13135"},"modified":"2023-06-01T16:00:09","modified_gmt":"2023-06-01T20:00:09","slug":"search-engine","status":"publish","type":"glossary","link":"http:\/\/local.brightwhiz\/glossary\/search-engine\/","title":{"rendered":"Search Engine"},"content":{"rendered":"\n

A search engine is an online software system that allows users to search and retrieve information from the internet. It helps users find relevant web pages, documents, images, videos, and other types of content based on their search queries or keywords.<\/p>\n\n\n\n

Search engines operate by continuously crawling and indexing vast amounts of web pages and other online content. The process involves automatically visiting web pages, extracting information, and storing it in a searchable index. This index is then used to quickly retrieve relevant results when a user performs a search.<\/p>\n\n\n\n

Here’s a general overview of how a search engine works:<\/p>\n\n\n\n

    \n
  1. Crawling: Search engines use web crawlers, also known as spiders or bots, to navigate the web and discover web pages. These crawlers start from a set of seed URLs and follow links from one page to another, effectively mapping the structure of the web.<\/li>\n\n\n\n
  2. Indexing: As the crawlers visit web pages, they extract information such as page content, metadata, and links. This data is then processed and stored in an index, which is essentially a massive database of information about web pages. The index is designed to allow for efficient and fast searching.<\/li>\n\n\n\n
  3. Ranking: When a user enters a search query, the search engine matches the query against the indexed information. The search engine uses complex algorithms to determine the relevance of each indexed page to the query. Factors like keyword relevance, page quality, user engagement metrics, and more may be considered in the ranking process.<\/li>\n\n\n\n
  4. Retrieval: Based on the ranking algorithms, the search engine presents a list of search results to the user. The results typically include page titles, brief descriptions, and URLs. Users can click on a result to access the full page or content they are looking for.<\/li>\n<\/ol>\n\n\n\n

    Popular search engines like Google, Bing, and Yahoo! use sophisticated algorithms and large-scale infrastructure to provide accurate and relevant search results. They continuously refine their algorithms to improve search quality, combat spam, and address the evolving needs of users.<\/p>\n\n\n\n

    Search engines also offer additional features and services, such as image search, news search, video search, maps, and more, to enhance the search experience and provide diverse content types.<\/p>\n\n\n\n

    In addition to web search engines, there are specialized search engines for specific purposes, such as academic research, shopping, job searches, and more. These specialized search engines often focus on a particular domain or vertical to provide more targeted and tailored results.<\/p>\n\n\n\n

    Overall, search engines play a vital role in organizing and making the vast amount of information on the internet easily accessible and usable to users worldwide.<\/p>\n","protected":false},"excerpt":{"rendered":"

    A search engine is an online software system that allows users to search and retrieve information from the internet. 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