The Secret to Fast Web Scraping: Finding Internal JSON APIs

When I first started web scraping, my workflow was always the same. I would use Nokogiri to download the HTML page, and then I would spend hours writing crazy CSS selectors to extract the text I needed. If the website was built with React or Vue and the data loaded dynamically, I would boot up a heavy headless browser like Selenium or Playwright just to wait for the page to render. Very often I find myself frustrated because websites change their CSS classes all the time, breaking my scraper. But recently, I changed my approach completely. Modern websites are basically just empty shells that fetch data from internal, hidden APIs . If you can find that API, you can skip the HTML completely and just download perfectly structured JSON data. It is 100x faster and much more reliable. Here is how to find and scrape hidden APIs in 4 easy steps. STEP 1: The Detective Work (Network Tab) You don't need any special hacking tools for this. Just use your browser. Let's say you want to scrape a list