I cache recent data locally and compare it with new scrapes to identify meaningful changes instead of saving duplicate data.

Monitoring the site’s network traffic can reveal API calls with hidden parameters. Often, tweaking these parameters yields more search results.

Logging each URL as I progress through pages ensures I don’t revisit pages accidentally. This is crucial for scraping sites with complex pagination structures.

A distributed scraping setup, where multiple scrapers work on different parts of the site simultaneously, helps speed up data collection without overloading any one scraper.

Grab’s app and website often feature promotional banners with special codes. Using a headless browser like Puppeteer, I capture these banners and associated offers.