HSTS Checker Tool

Test HTTP Strict Transport Security configuration and analyze web security

Security Analysis
Fast Check
HSTS Validation
What is HSTS?

HTTP Strict Transport Security (HSTS) forces browsers to use HTTPS, protecting against protocol downgrade attacks and cookie hijacking.

HSTS Security Check

Enter a domain name to check its HSTS (HTTP Strict Transport Security) configuration, analyze security headers, and get security recommendations.

Related Tools

Secure Header Checker

Tool Features

Comprehensive HSTS and security header analysis with recommendations

HSTS Detection

Check if HTTP Strict Transport Security is properly configured

Security Analysis

Comprehensive security header analysis and validation

Configuration Validation

Validate HSTS parameters and detect configuration issues

Security Score

Get an overall security score with improvement recommendations