Puppeteer

1. Overview
2. Preparing Environment
3. Setup Headless Chrome and Puppeteer
4. Automation UI Tests 
5. Capturing Screenshot
6. Saving PDF
7. Web Scraping
8. Crawling an SPA (single-page application)
9. Automating performance analysis
10. Applying Rate Limits
11. Testing handling failed requests
12. Mocking out third-party services