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What’s the difference between web scraping and web crawling?
Web crawling is the process of systematically browsing the web, typically to index pages for search engines.
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4 Replies
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Web scraping is focused on extracting specific data from websites rather than indexing entire sites.
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Crawlers usually respect robots.txt, while scrapers may sometimes ignore it to extract the data needed.
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Scraping usually involves parsing HTML to retrieve specific content, while crawling might just be about discovering URLs.
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Crawlers are often part of larger indexing projects, like Googlebot, while scrapers are built for specific use cases, like price monitoring.
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