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  1. Web 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 …

  2. What is a web crawler? | How web spiders work - Cloudflare

    A web crawler, also known as a spider, is an automated program or bot predominantly used by search engines like Google and Bing to explore and catalog web content across the Internet.

  3. 15 Most Common Web Crawlers in 2025: What You Need to Know

    Nov 24, 2025 · For people who own websites, work in SEO, or build websites, there are many web crawlers to know about. It’s important to understand how they work, make your site easy for them to …

  4. Crawler List: 14 Most Common Web Crawlers in 2025 - Kinsta

    Aug 28, 2025 · A web crawler is a computer program that automatically scans and systematically reads web pages to index the pages for search engines. Web crawlers are also known as spiders or bots.

  5. Top 22+ Web Crawlers to Boost Your SEO in 2025

    Jun 24, 2025 · Web crawlers, sometimes called spiders or bots, are scripts that search engines and tools use to scan web pages. They start from a list of URLs and follow links on each page to discover …

  6. What 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 …

  7. What is a Web Crawler? Everything you need to know from

    Sep 30, 2022 · 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. …

  8. What is a web crawler? - IONOS

    Nov 21, 2025 · Web crawlers move through the web using hyperlinks from existing websites. They evaluate keywords and hashtags, index the content and URLs of each site, copy webpages, and …

  9. What is a Webcrawler and where is it used? - GeeksforGeeks

    Jul 12, 2025 · Web Crawler is a bot that downloads the content from the internet and indexes it. The main purpose of this bot is to learn about the different web pages on the internet.

  10. Web Crawler 101: What Is a Web Crawler? (And How It Works)

    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.