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10 changes: 10 additions & 0 deletions topics/headless-browser/index.md
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---
display_name: Headless Browser
topic: headless-browser
aliases: headless-browsers, headless
related: browser-automation, web-scraping, puppeteer, playwright, chromium
short_description: A headless browser runs a full web engine without a visible window for automation, scraping, and server-side rendering.
---
Headless browsers run a complete browser engine — HTML parsing, CSS layout, JavaScript execution, and rendering — without a graphical interface. They power server-side web scraping, automated testing, screenshot generation, and agent tools that read and act on the web.

Headless operation trades a visible window for the ability to run many browser instances cheaply in containers and CI pipelines, often driving them over protocols such as CDP, WebDriver, or MCP.
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