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  2. www.howtogeek.com › 731787 › what-is-a-web-crawlerWhat Is a Web Crawler, and How Does It Work? - How-To Geek

    Jul 9, 2021 · Every day, web crawlers visit millions of pages and add them to search engines. While crawlers have some downsides, like taking up site resources, they're invaluable to both site owners and visitors.

  3. www.techtarget.com › whatis › definitionWhat is a Web Crawler? Everything you need to know from ...

    What is a web crawler? A web crawler, crawler or web spider, is a computer program that's used to search and automatically index website content and other information over the internet. These programs, or bots, are most commonly used to create entries for a search engine index.

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  5. www.webfx.com › blog › internetWeb Crawler 101: What Is a Web Crawler? (And How It Works)

    Jun 11, 2023 · A web crawler, also referred to as a search engine bot or a website spider, is a digital bot that crawls across the World Wide Web to find and index pages for search engines. Search engines don’t magically know what websites exist on the Internet.

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  6. www.cloudflare.com › bots › what-is-a-web-crawlerWhat is a web crawler? | How web spiders work | Cloudflare

    Learning Objectives. After reading this article you will be able to: Learn what a web crawler bot (or spider) is. Understand how a web crawler chooses which pages to crawl. Explain the difference between web crawling and web scraping. Explore whether or not web crawling should be allowed on any given webpage. Bot management. Bot traffic.

  7. en.wikipedia.org › wiki › Web_crawlerWeb crawler - Wikipedia

    A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (web spidering).

  8. www.akamai.com › glossary › what-is-a-web-crawlerWhat Is a Web Crawler? | How Do Crawlers Work? - Akamai

    A web crawler is an automated program or bot that systematically searches websites and indexes the content on them. Primarily used to index pages for search engines, web crawlers are also used for coupon and comparison shopping apps, and SEO and RSS aggregation, among other tasks.

  9. outreachz.com › blog › web-crawlerWeb Crawler Basics: What It Is and How It Works OutreachZ

    Web crawlers are essential for search engines to maintain an up-to-date index of the web, ensuring that users receive accurate and timely search results. Website owners can control how their site is crawled through a robots.txt file, which guides the crawler on which pages to include or exclude from its indexing process.