Web Scraping 101: How to Scrape Any Website (Python & JavaScript)

Your web scraping code works on some sites but completely fails on others. Here's why, and how to fix it. In this video, we explain what web scraping is, why your scripts break on modern JavaScript-heavy websites, and walk through 4 different methods to actually extract the data you need, from fully rendered HTML to clean structured JSON. We'll also show you how to bypass bot detection on sites that actively try to block scrapers. 🚀 What you'll learn: What web scraping is Why scripts fail on dynamic sites 4 ways to scrape data from dynamic pages Python & JavaScript demos you can follow along How to bypass bot detection and CAPTCHAs Check out Browserless! 👉 https://www.browserless.io 🔗 All code from this tutorial: https://github.com/browserless/video-... 🕒 TIMESTAMPS 00:00 Intro 0:53 What is Web Scraping? 2:05 Why Your Script Breaks (Static vs Dynamic Websites) 3:52 How to Fix it? 4:31 Fix #1: Get Rendered HTML with /content 6:08 Fix #2: Extract JSON with /scrape (No Parsing Needed) 7:35 Fix #3: Use /smart-scrape Without Selectors 9:34 Fix #4: Bypass Bot Detection with /unblock 10:40 Which Endpoint Should You Use? 12:20 Best Practices & Ethical Scraping Tips 📖 Read our blog article on this topic https://www.browserless.io/blog/web-s... https://www.browserless.io/blog/best-... https://www.browserless.io/blog/web-s... #datascraping #webscraping #beautifulsoup #puppeteer #scrapingdata #browserless