Security & Tooling
Chapter 94: Headless Browsers, Crawlers & Scrapers
Master the architecture of headless rendering engines, browser automation with Puppeteer and Playwright, high-speed server-side HTML scraping with Cheerio, automated PDF/screenshot generation, visual regression testing, web crawling mechanics, and modern anti-scraping bot defenses.
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01
Introduction to Headless Browsers & DOM Rendering Pipelines
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02
Building an Automated QA & Audit Suite
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03
Automating Browsers with Puppeteer
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04
Playwright: Modern Multi-Engine Automation & Architecture
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05
Automated Screenshots & PDF Generation
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06
Server-Side HTML Scraping & Traversal with Cheerio
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07
End-to-End (E2E) Testing of HTML Forms & Interactions
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08
Visual Regression Testing & Pixel Diffing
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09
Web Crawler Mechanics, BFS Queues & robots.txt
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10
Defending HTML Applications Against Malicious Bots