Techniques

Anti-Bot Defenses & Rate Limiting

Anti-Bot Defenses & Rate Limiting Servers protect themselves from automated traffic for good reasons: a careless scraper can degrade a site for real users, distort analytics, and ...

Pagination & Infinite Scroll

Pagination & Infinite Scroll A listing page rarely shows all of its records at once. It splits them across numbered pages, hides them behind a "load more" button, or streams them ...

Scraper Performance & Scaling

Scraper Performance & Scaling A scraper that reads one page in four seconds reads a hundred thousand pages in four and a half days. Throughput, not correctness, is what stops most...

Structured Data Extraction

Structured Data Extraction Scraping is only half the job. The other half — the half that decides whether your output is usable — is turning a messy, presentational DOM into clean ...