pragprog.com | Analytics by SecurityHeaders

HTTP Headers report for pragprog.com

Header Name Header Data
HTTP status code 200
Cf-Cache-Status HIT
Last-Modified Thu, 17 Apr 2025 15:53:11 GMT
X-Kinsta-Cache HIT
X-Content-Type-Options nosniff
Report-To {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=rf%2FHdfX8ogJXJCq3LtUnn0VXw53zG4Hh9rOJ2mmKGMr7ShjS6JBJU62hzZdFsguuAyvCuzlLzTYxVth2qgAP%2F7uCCI6zNoQEvz5yGGrfgiXsFHFFBs7fyHxObhfH%2BA%3D%3D"}],"group":"cf-nel","max_age":604800}
Ki-Cf-Cache-Status HIT
Referrer-Policy no-referrer-when-downgrade
X-Frame-Options SAMEORIGIN
Nel {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Age 88434
Connection keep-alive
Vary Accept-Encoding
Ki-Cache-Type Edge
Server cloudflare
X-Cache Miss from cloudfront
X-Amz-Cf-Id nUnzKPHYSJ_ENbe6kEp4RmtGqGRsVjr4ByGLoBb3xd8Tx0sCMIOkLg==
Cf-Ray 933922fd0d80aee9-AMS
Content-Type text/html; charset=UTF-8
Date Mon, 21 Apr 2025 01:34:01 GMT
Ki-Cache-Tag 9f159f00-606c-4d0a-9d88-29dc9d600937,e7236859d7eb12bf4520f2994254400f8ec89cb33eff18f834573e96117f1b06
X-Xss-Protection 1; mode=block
X-Amz-Cf-Pop AMS58-P4
Cache-Control public, max-age=0, s-maxage=604800
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
Ki-Edge v=21.0.0;mv=4.0.1
Via 1.1 6099a68d04a7ee2150888338bfdc451a.cloudfront.net (CloudFront)

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