check-my-headers
check-my-headers is a Node.js-based tool designed to analyze HTTP security headers on websites and web applications. The tool can be used as a command-line utility through npx or integrated as a module within Node.js projects. It performs automated scans of specified URLs to evaluate the presence and configuration of security-related HTTP headers. When scanning a target URL, the tool examines various security headers including Content Security Policy (CSP), Strict Transport Security (HSTS), X-XSS-Protection, Referrer Policy, and server identification headers. It provides feedback on missing security headers and identifies potentially problematic headers that should be removed or modified. The tool returns structured output containing the HTTP status code, analysis messages categorized by type (error, warning, etc.), and the complete set of headers found on the target. Messages indicate specific security improvements such as missing headers that should be implemented or existing headers that pose security risks. check-my-headers handles error cases gracefully, including invalid or missing URLs, and provides clear feedback to users about scan results and recommended security enhancements.
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