Scrapfly Blog
Tutorials, guides, and insights on web scraping, data extraction, and automation 272 articles
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12 posts
HTTP/2 and HTTP/3 Fingerprinting: Protocol-Level Bot Detection
Learn how HTTP/2 and HTTP/3 fingerprinting works at the protocol level, how anti-bot services use SETTINGS frames, pseudo-header ordering, and QUIC transport parameters to detect scrapers, and how to ...
How Browser Fingerprinting Works and How to Defend Against It
Learn how browser fingerprinting works, from canvas to WebGPU, and discover developer-focused techniques to bypass detec...
Playwright Stealth: Bypass Bot Detection in Python & Node.js
Complete guide to using playwright-stealth in Python and playwright-extra with stealth plugin in Node.js. Covers how det...
Stagehand vs Browser Use: AI Browser Agent Guide
Compare Stagehand and Browser Use AI browser agents. Learn which framework fits your language, workflow, and automation ...
Post-Quantum TLS: Why Scraping Tools Are Now Exposed
Post-quantum TLS is now a live bot detection signal. Modern browsers send X25519MLKEM768 key shares by default, and scra...
How to Bypass Cloudflare Turnstile
Learn how Cloudflare Turnstile detects bots and 3 proven methods to bypass Turnstile challenges when web scraping.
How to Bypass Anti-Bot Protection When Web Scraping
Learn how anti-bot systems detect scrapers and 5 universal bypass techniques including proxy rotation, fingerprinting, a...
Puppeteer Stealth: Complete Guide to Avoiding Detection
Complete guide to puppeteer-extra-plugin-stealth for avoiding bot detection. Learn how detection works, configure stealt...
How to Create an AI Browser Agent for Free
Build two free AI browser agents using Browser-Use (Python) and Stagehand (TypeScript) with step-by-step code examples a...
Headless Browser vs Cloud Browser: Which One Should You Choose?
Compare headless browsers and cloud browsers for web scraping and automation. Learn when to use local headless browsers ...
Best CAPTCHA Solving APIs in 2026
Compare the best CAPTCHA solving services including 2Captcha, CapSolver, Anti-Captcha, and browser-integrated solutions....
Cloud Browser: What Is It and How to Use It
Learn what cloud browsers are, how they work, and how to use them for web scraping, automation, and AI agents. Covers pr...
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