HTTP Response Headers Inspector

Check HTTP status codes (200, 301, 404), server technologies, compression, and security headers (CSP, HSTS).

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HTTP Response for perplexityapp.com

HTTP/1.1 200 OK
Header Field Value
Status HTTP/1.1 200 OK
Server openresty
Date Wed, 07 Oct 2026 01:17:52 GMT
Content-Type text/html
Content-Length 26530
Connection close
Vary Accept-Encoding
Last-Modified Fri, 03 Jul 2026 13:00:59 GMT
ETag "207e29774c2d757d4c734cf5a36951c9"
X-Frame-Options SAMEORIGIN
Content-Security-Policy frame-ancestors 'self'
X-Content-Type-Options nosniff
X-XSS-Protection 1; mode=block
Referrer-Policy strict-origin-when-cross-origin
Strict-Transport-Security max-age=31536000; includeSubDomains; preload