Web Crawling vs Web Scraping: Differences, Workflows, and When to Use Each

Web crawling and web scraping are often treated as the same activity, yet they solve different problems. Crawling is about discovery. Scraping is about collection. Teams that confuse the two usually build fragile pipelines that either miss pages or gather the wrong fields.
This guide explains the difference between web crawling and web scraping in practical terms. It covers definitions, workflows, tooling, scale, and the legal questions that accompany any serious data collection effort.

Baidu is the leading search engine in China, and its organic listings hold information that is difficult to obtain elsewhere. This guide explains how to scrape Baidu search results using Python and proxies in a structured, repeatable manner, covering setup, parsing, pagination, storage, and scaling.




