Exactly, did you build your own solution for this, maybe based on open source projects, or do you rely on external service for scraping? I'm curious too since I

Exactly, did you build your own solution for this, maybe based on open source projects, or do you rely on external service for scraping? I'm curious too since I'm developing a web scraping API product (https://scrapingfish.com https://scrapingfish.com).