HTTP headers lookup

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🧾 HTTP Headers Lookup – Analyze Any Website's Response Headers

Check status codes, security headers, caching policies & server info

Use our free HTTP Headers Lookup Tool to instantly inspect the response headers returned by any website or web server. Discover critical information such as HTTP status codes, server type, content type, caching settings, and security headers.

Ideal for developers, security experts, SEO professionals and web performance analysts who want to ensure their site is secure, fast and SEO-compliant.

🔍 What Are HTTP Headers?

HTTP headers are metadata sent between a client (like a browser) and a server. They control how content is delivered, cached, secured and interpreted. Understanding response headers helps with:

  • ✅ Debugging redirect loops and server errors
  • ✅ Checking SSL/TLS configuration
  • ✅ Verifying cache behavior and CDN setup
  • ✅ Auditing security headers (e.g. CSP, HSTS)
  • ✅ Identifying server and hosting environment

⚙️ Features of the HTTP Header Tool

  • ✅ Shows full response headers in real time
  • ✅ Detects HTTP status (200, 301, 404, etc.)
  • ✅ Highlights important SEO and security headers
  • ✅ Works with any HTTP/HTTPS website
  • ✅ Mobile-ready and fast-loading interface
  • ✅ Free to use with no login required

📋 Sample Output – What You’ll See

Header Example Value Description
Status 200 OK Server responded successfully
Content-Type text/html; charset=UTF-8 Format and encoding of the content
Server nginx/1.18.0 Server software used
Cache-Control max-age=3600 Caching policy for the resource
Strict-Transport-Security max-age=31536000; includeSubDomains Forces HTTPS and improves security
X-Frame-Options SAMEORIGIN Prevents clickjacking attacks

🔐 Why HTTP Headers Matter

  • 🛡️ Strengthen website security with proper header settings
  • 🚀 Improve SEO by avoiding redirect chains or server errors
  • 📈 Optimize performance with correct caching rules
  • 📉 Reduce bounce rate through fast content delivery
  • 📊 Audit server behavior and content delivery strategy

🚀 Try It Now – Free HTTP Headers Checker

Simply enter a website URL and get instant, detailed header data. No account needed – just fast and accurate results for every domain.

🔗 Bonus Tools: Combine with SSL, Ping & Brotli

Use together with our SSL Lookup, Ping Tool and Brotli Checker for a full-stack analysis of your website’s health and performance.

🔒 No Tracking. No Storage.

Your privacy is important. All lookups are processed anonymously. We store no logs, no IPs, no user data.

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