The web data glossary.

Plain answers to the questions that come up when you work with data from the live web. Written by the Zenrows engineering team, from the problems we hit building it.

Web data access Getting the page. Requests and browsers, anti-bot systems and proxies, crawling, and running all of it at volume. 30 terms HTTP errors in web scraping The status codes a scraper actually meets, what each one means, and what to do about it. 16 terms Web data extraction Turning a page into data. Parsers, selectors, schemas, and the formats that feed models. 11 terms AI agents and the web How agents read the live web. MCP, skills, grounding, and the browsers agents drive. 13 terms

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