HTTP Headers Checker
Analyze HTTP response headers from any URL. Debug your requests and check security configurations.
Common HTTP Headers
Content-Type
Media type of the response body
Cache-Control
Caching directives for the response
Set-Cookie
Cookies to store in the browser
Content-Encoding
Compression algorithm used (gzip, br)
Access-Control-Allow-Origin
CORS policy for cross-origin requests
X-Frame-Options
Clickjacking protection
Strict-Transport-Security
Forces HTTPS connections
Content-Security-Policy
Controls resource loading
Frequently Asked Questions
- HTTP headers are metadata sent between clients and servers during HTTP requests and responses. They contain information about content type, caching, security policies, cookies, and more.
- Checking headers helps debug web scraping issues, verify security configurations, analyze caching behavior, understand CORS policies, and diagnose connection problems.
- For scraping, pay attention to Set-Cookie (session management), Content-Type (response format), Cache-Control (freshness), and any custom anti-bot headers.
Need to Debug Scraping Issues?
Combine header analysis with residential proxies for effective web scraping.
Try Dexodata Free