Web crawling is often confused with web scraping, which is simply extracting specific data from web pages. A web crawler is an automated program that helps you find and catalog relevant data sources. Typically, a crawler first makes requests to a list of known web addresses and, from their content, identifies other relevant links. It adds these new URLs to a queue, iteratively takes them out, and repeats the process until the queue is empty. The crawler stores the extracted data—like web pa...
