Gegenfeld

User Agent Parser

Instantly analyze User Agent strings to identify browser version, operating system, and device type. Essential for debugging compatibility issues.

Sponsored

Powered by ManyPI

Turn any website into a type-safe API. Reliable, fast, and easy to integrate.

Learn more

Understanding User Agents

A User Agent (UA) is a string of text that web browsers and other applications send to servers to identify themselves. It contains information about the browser name, version, operating system, and device type.

Components of a User Agent

  • Browser Name & Version: Identifies the specific browser software (e.g., Chrome, Firefox, Safari) and its version number.
  • Operating System: Reveals the underlying OS (e.g., Windows 10, macOS, Android, iOS).
  • Engine: Specifies the rendering engine used by the browser (e.g., Blink, Gecko, WebKit).
  • Device Type: Indicates whether the request comes from a desktop, mobile phone, tablet, or bot.

Why Analyze User Agents?

Developers and marketers use UA parsing to:

  • Debug website display issues on specific devices.
  • Filter out bot traffic in analytics.
  • Deliver device-specific content or features.
  • Track browser market share and user demographics.

FAQ