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 …
8 Best FREE Website Crawler Tools (2026) - Guru99
Nov 19, 2025 · When choosing website crawler tools, we focus on performance, usability, speed, accuracy, and features. These elements are essential for optimizing a website’s crawling …
What Is a Website Crawler? How It Works + Tools to Try - Semrush
Sep 15, 2025 · Learn how website crawlers work, why they matter for SEO, and which tools can help you find and fix site issues fast.
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.
15 Most Common Web Crawlers in 2026: 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 …
Best Open-Source Web Crawlers in 2026 - firecrawl.dev
Jan 6, 2026 · Compare the top 10 open-source web crawlers for 2026 including Firecrawl, Scrapy, Crawl4AI, and Playwright. Find the right crawler for your project with detailed pros, cons, and …
Website Crawling 101: Beginner’s Guide to Web Crawlers
Feb 21, 2025 · What are web crawlers? How does website crawling work? Find the answers to these questions and more in our website crawling 101 guide!