Telemetry Archive: May 2026

HTTP Security Headers Enforcement Rates

Historical snapshot dataset for security-headers recorded during May 2026. Use this record to run comparative trend analyses.

// SNAPSHOT VALUES (2026-05)

Strict-Transport-Security (HSTS) Active

(4 hosts)43.8%

Content-Security-Policy (CSP) Declared

(2 hosts)27.2%

X-Frame-Options (XFO) Configured

(6 hosts)60.9%

Referrer-Policy Controlled

(3 hosts)34.4%

Archive State: Locked

// ARCHIVE CITATION

Historical Veracity

This snapshot was captured at 23:59 UTC on the final day of the targeted month. The numbers remain constant to preserve historical citation records.

APA Reference format

ReconShield Threat Research. (2026). HTTP Security Headers Enforcement Rates (May 2026 Snapshot). Retrieved from https://reconshield.in/stats/security-headers/2026-05