Search, filter, and inspect common HTTP request and response headers for Security, CORS, Caching, and Authentication.
Restricts resource loading to prevent XSS and data injection attacks.
Forces browsers to connect via HTTPS only (HSTS).
Prevents clickjacking by controlling frame embedding.
Prevents MIME-sniffing away from declared Content-Type.
Controls how much referrer info is included with requests.
Specifies origins allowed to access resources in CORS.
Lists HTTP methods allowed when accessing resource.
Lists request headers permitted during CORS requests.
Directives for caching mechanisms in browsers and CDNs.
Unique identifier for specific version of a resource.
Conditional GET request returning 304 if ETag matches.
Contains credentials to authenticate user agent with server.
Indicates original media type of resource representation.
Characteristic string identifying client application and OS.
Informs server about media types client understands.
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Security headers like CSP and HSTS instruct browsers to enforce strict safety policies against XSS and clickjacking.
