# Web data glossary

> Plain answers to the questions that come up in web scraping, anti-bot systems, HTTP errors, data extraction and AI agent web access, from the Zenrows engineering team.

## 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.

## Get reliable web data in minutes.

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Web data infrastructure for AI, data and automation teams.

Product

- [Fetch](https://www.zenrows.com/products/fetch)

- [Extract](https://www.zenrows.com/products/extract)

- [Browser Sessions](https://www.zenrows.com/products/browser-sessions)

- [Batch](https://www.zenrows.com/products/batch)

Agents

- [Agent Toolkit](https://www.zenrows.com/agents)

- [Skills](https://www.zenrows.com/agents/skills)

- [Plugins](https://www.zenrows.com/agents/plugins)

- [Workflows](https://www.zenrows.com/agents/workflows)

Solutions

- [AI Agents](https://www.zenrows.com/solutions/ai-agents)

- [Pricing intelligence](https://www.zenrows.com/solutions/pricing-intelligence)

- [Competitive intel](https://www.zenrows.com/solutions/competitive-intelligence)

- [Lead enrichment](https://www.zenrows.com/solutions/lead-enrichment)

- [E-commerce](https://www.zenrows.com/solutions/ecommerce)

- [Finance & alt-data](https://www.zenrows.com/solutions/finance)

- [All solutions](https://www.zenrows.com/solutions)

Scrape

- [Amazon](https://www.zenrows.com/scrape/amazon)

- [Zillow](https://www.zenrows.com/scrape/zillow)

- [Idealista](https://www.zenrows.com/scrape/idealista)

- [eBay](https://www.zenrows.com/scrape/ebay)

- [LinkedIn](https://www.zenrows.com/scrape/linkedin)

- [Google](https://www.zenrows.com/scrape/google)

- [All targets](https://www.zenrows.com/scrape)

Anti-bot

- [Cloudflare](https://www.zenrows.com/bypass/cloudflare)

- [DataDome](https://www.zenrows.com/bypass/datadome)

- [Akamai](https://www.zenrows.com/bypass/akamai)

- [PerimeterX](https://www.zenrows.com/bypass/perimeterx)

- [reCAPTCHA](https://www.zenrows.com/bypass/recaptcha)

- [All anti-bot](https://www.zenrows.com/bypass)

Compare

- [vs Firecrawl](https://www.zenrows.com/compare/firecrawl)

- [vs Bright Data](https://www.zenrows.com/compare/bright-data)

- [vs Apify](https://www.zenrows.com/compare/apify)

- [vs Browserbase](https://www.zenrows.com/compare/browserbase)

- [All comparisons](https://www.zenrows.com/compare)

- [Alternatives](https://www.zenrows.com/alternatives)

Developers

- [Documentation](https://docs.zenrows.com/first-steps/welcome)

- [MCP Server](https://www.zenrows.com/mcp)

- [SDK](https://www.zenrows.com/products/sdk)

- [CLI](https://www.zenrows.com/cli)

- [Integrations](https://www.zenrows.com/integrations)

- [Resources](https://www.zenrows.com/resources)

- [Glossary](https://www.zenrows.com/glossary)

Company

- [About](https://www.zenrows.com/about)

- [Customer Stories](https://www.zenrows.com/customers)

- [Case Studies](https://www.zenrows.com/case-studies)

- [Blog](https://www.zenrows.com/blog)

- [Community](https://www.zenrows.com/community)

- [Careers](https://www.zenrows.com/careers)

- [Trust Center](https://trust.zenrows.com/)

- [Reliability](https://www.zenrows.com/reliability)

- [Status](https://status.zenrows.com/)

- [Enterprise](https://www.zenrows.com/for/enterprise)

- [For teams](https://www.zenrows.com/for)

- [Partners](https://www.zenrows.com/partners)

- [Media kit](https://www.zenrows.com/media)

- [Legal](https://www.zenrows.com/legal)

- [Contact](https://www.zenrows.com/contact)

© 2026 Zenrows. All rights reserved. · [Privacy](https://www.zenrows.com/legal/privacy) · [Terms](https://www.zenrows.com/legal/terms) · [Cookies](https://www.zenrows.com/legal/cookies) · [Legal](https://www.zenrows.com/legal) · [Sign in](https://app.zenrows.com)

_Canonical HTML: https://www.zenrows.com/glossary_

## Site Navigation

### Global Hub
- [Home](https://www.zenrows.com/index.md)
- [Pricing](https://www.zenrows.com/pricing.md)
- [Products](https://www.zenrows.com/products.md)
- [Agent Toolkit](https://www.zenrows.com/agents.md)
- [Compare](https://www.zenrows.com/compare.md)
- [Alternatives](https://www.zenrows.com/alternatives.md)
- [Blog](https://www.zenrows.com/blog)
- [Docs](https://docs.zenrows.com)
- [llms.txt](https://www.zenrows.com/llms.txt)
- [Agent skill](https://www.zenrows.com/SKILL.md)

### On This Topic
- [Resources](https://www.zenrows.com/resources.md)
- [Docs (external)](https://www.zenrows.com/docs.md)
- [Blog](https://www.zenrows.com/blog.md)
- [University](https://www.zenrows.com/university.md)
- [Templates](https://www.zenrows.com/templates.md)
- [Benchmarks](https://www.zenrows.com/benchmarks.md)
- [Case studies](https://www.zenrows.com/case-studies.md)
- [Changelog](https://www.zenrows.com/changelog.md)
- [Status](https://www.zenrows.com/status.md)
- [Customers](https://www.zenrows.com/customers.md)
- [Community](https://www.zenrows.com/community.md)
- [Whitepapers](https://www.zenrows.com/whitepapers.md)
- [Events](https://www.zenrows.com/events.md)
- [Research](https://www.zenrows.com/research.md)
- [Webinars](https://www.zenrows.com/webinars.md)