Security Headers Checker - Grade CSP, HSTS, X-Frame-Options

Security headers checker for any URL: pass a list of URLs, get one JSON record per URL with the observed CSP, HSTS, X-Frame-Options and related headers, missing-header findings, and an A–F security grade. $0.02 per URL checked.

Publisher description, verbatim

Last 7 dayson this actor

No changes seen in the last 7 days.

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Key figures30 readings

Price / 1k$20.00per 1,000 headers-checked

Users / 30d0→ 0 over 30 readings

Users, all time1→ 0 over 30 readings

Runs / 30d28↓ 1 over 30 readings

Runs / user / mo—runs per monthly user

Recorded changes

No price, README, schema or grade changes in the last 30 days · followers get the next one by email.

History

30 readings since 2026-08-27

Users / 30d30 readings

Users, all time30 readings

Runs / 30d30 readings

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