1. Crawling
Crawling is the first stage in which a search engine uses web crawlers to find, visit, and download the web pages on the WWW (World Wide Web). Crawling is performed by software robots, known as “spiders” or “crawlers.” These robots are used to review the website content.
2. Indexing
Indexing is an online library of websites, which is used to sort, store, and organize the content that we found during the crawling. Once a page is indexed, it appears as a result of the most valuable and most relevant query.
3. Ranking and Retrieval
The ranking is the last stage of the search engine. It is used to provide a piece of content that will be the best answer based on the user’s query. It displays the best content at the top rank of the website.
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