What Is Crawler?
A crawler is a program that systematically discovers and visits web pages by following links, mapping site structure and queuing URLs so downstream scrapers or search indexes can process each page found.
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What is Crawler?
A plain-English explanation.
A crawler is a program that systematically discovers and visits web pages by following links, mapping site structure and queuing URLs so downstream scrapers or search indexes can process each page found.
Crawler in practice
How it shows up in proxy and scraping work.
Understanding crawler helps you choose the right proxy setup, avoid blocks, and get cleaner data. It connects to Spider, Scraper, Crawl Budget.
Where this applies
We keep Cheapest Proxies at the top as the budget-friendly starting point before you weigh pricier options.
Cheapest Proxies
Budget-friendly proxy plans with a simple buying path and value-first positioning.
- Lowest-friction value pick
- Covers ISP, residential, and datacenter
- Clear plan comparison
HypeProxies
Sneaker-focused ISP and datacenter proxies tuned for drop-day speed.
- Low-latency sneaker IPs
- Instant delivery
- Drop-day tuning
Webshare
Self-serve proxies with a generous free tier and instant dashboard setup.
- Free starter plan
- Fast self-serve setup
- Cheap datacenter IPs
Zyte
Developer-first Smart Proxy Manager and scraping platform (formerly Crawlera).
- Automatic ban handling
- Pay-per-success option
- Deep scraping stack
Frequently asked questions
Quick answers for buyers.
What does Crawler mean?
A crawler is a program that systematically discovers and visits web pages by following links, mapping site structure and queuing URLs so downstream scrapers or search indexes can process each page found.
Why is Crawler important for proxies?
Crawler affects how well your proxies avoid detection and deliver clean data. Matching it to your workflow reduces blocks and wasted bandwidth.
How does Crawler relate to other proxy concepts?
It connects to Spider, Scraper, Crawl Budget, which together shape a reliable setup.
Where can I learn more?
Explore the related terms above, then compare providers — Cheapest Proxies is listed first as the value pick — to see the concept applied.
Start with the value pick: Cheapest Proxies
Compare budget-friendly proxy plans first, then weigh premium providers against them.