WHAT IS IT?
Crawlee is a Python framework for building reliable, high-performance web crawlers. It unifies classic HTTP scraping (with BeautifulSoup or Parsel) and headless browser automation (via Playwright) behind a single API. Its main selling point: making your crawlers behave like real human users, with default configurations that bypass modern anti-bot protections.
WHY IS IT INTERESTING?
- Unified interface: Switch from simple HTTP scraping to Playwright browser automation without rewriting your code. Same API, same routing logic.
- Anti-detection by default: Proxy rotation, session management, realistic browser fingerprints — everything is configured out-of-the-box to avoid getting blocked.
- Smart parallelization: The framework automatically adjusts concurrency based on available system resources. No manual tuning needed.
- Built-in resilience: Automatic retries, state persistence, crash recovery. An interrupted crawl resumes right where it left off.
- AI-ready: Data extraction optimized for feeding LLMs and RAG pipelines, with structured format exports.
- Native asyncio: Full async architecture, complete type hints, integrates as a simple Python script.
USE CASES
- Large-scale data extraction for AI model training or RAG systems
- Scraping JavaScript-heavy sites that require a real browser
- Automated monitoring of prices, stock levels, or content on e-commerce sites
- Building structured datasets with automatic pagination and rate limiting management
- Migrating data from websites into internal databases