Add Redirect Checker - open source HTTP redirect chain analyzer

[brancogao]

Description

Added Redirect Checker to the Redirect lookup section.

Tool Features

• HTTP Redirect Chain Analysis: Traces 301/302/307/308 redirects
• Loop Detection: Automatically detects redirect loops
• Performance Metrics: Measures response time for each hop
• Multiple User-Agents: Supports Googlebot, Bingbot, and custom agents
• Open Source: Fully open source on GitHub

Use Cases for OSINT

• URL investigation and tracing
• Shortened URL analysis
• Redirect chain verification
• SEO auditing

GitHub: https://github.com/brancogao/redirect-checker
Demo: https://redirect-checker.autocompany.workers.dev