🌐 Ariafox Web Toolkit

👁️ Guest Mode
🛠️ Diagnostics

User-Agent Inspector

Identifies browser, operating system, device type, and crawler.

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Select a tool and press 'Run Analysis' to see diagnostic results.
📖 Technical Documentation & Guide

User-Agent Header Anatomy & Client Hints

How the User-Agent Identifies Web Clients

The User-Agent HTTP request header informs web servers about the application, operating system, vendor, and version of the requesting software agent.

❓ Frequently Asked Questions

What are User-Agent Client Hints?

User-Agent Client Hints (UA-CH) are a modern standard replacing lengthy legacy User-Agent strings to improve user privacy while still allowing servers to request device details when needed.