Explain Spiders, Robots, and Crawlers
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Explain Spiders, Robots, and Crawlers
Crawler: Also known as Robot, Bot or Spider. These are programs used by search engines to explore the Internet and automatically download web content available on website.
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A search engine spider, also known as a web crawler, is an Internet bot that crawls websites and stores information for the search engine to index.
@OP if you are just looking for definitions of spiders, crawlers and robots you can use Wikipedia or Google.
Spiders, which can be referred to as web crawlers or robots, are programs (or automated scripts) that "crawl" through the Web looking for data. Spiders travel through website URLs and can pull data like email addresses from web pages. They are also used to feed information found on websites to search engines.