The answer
No. It generally retrieves from an index built through earlier crawling and processing. Individual products may add other retrieval or freshness mechanisms when needed.
How do search engines crawl, index, and retrieve information?
Does a search engine visit every web page for each query?
More FAQs in How do search engines crawl, index, and retrieve information?
Yes. Crawling and indexing are separate stages. Access, content processing, duplication, quality decisions, and other factors can affect whether a page is indexed.
No. Ranking estimates usefulness and relevance using many signals. A reader still needs to assess the publisher, evidence, date, and whether the page supports the claim.
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