HTTP Headers Analysis for https://www.chronokairo.com.br

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

AWS CloudFront

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

0

content-length: 0

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a3a1819f2cf2cb80-IAD

Date

Other

Sat, 12 Sep 2026 20:01:50 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=2Mr%2F1nUG4emoViK0yNBnX8JrOageAbCKJVRKPGx4aOzRKVThatuvcFA5mo%2F4jwX%2B8lCIh%2BlghERoMigncxao2P%2FGzatoMH4I%2BX4QTwcv2%2BT7UAjvs60477zeO5vG5w5GZdDzr2IdpVpO

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=40,cfOrigin;dur=404

Via

Other

1.1 7eeed291abf48890d3f36565208941a8.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

JNuHkwCzQVvHDYNqk1Ysd0k3EkwhXSLvb0W0EgZQqBAd1AcIBxDe8w==

X-Amz-Cf-Pop

Other

IAD12-P1

X-Cache

Other

Error from cloudfront

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a3a1819f2cf2cb80-IAD
date: Sat, 12 Sep 2026 20:01:50 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=2Mr%2F1nUG4emoViK0yNBnX8JrOageAbCKJVRKPGx4aOzRKVThatuvcFA5mo%2F4jwX%2B8lCIh%2BlghERoMigncxao2P%2FGzatoMH4I%2BX4QTwcv2%2BT7UAjvs60477zeO5vG5w5GZdDzr2IdpVpO"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=40,cfOrigin;dur=404
via: 1.1 7eeed291abf48890d3f36565208941a8.cloudfront.net (CloudFront)
x-amz-cf-id: JNuHkwCzQVvHDYNqk1Ysd0k3EkwhXSLvb0W0EgZQqBAd1AcIBxDe8w==
x-amz-cf-pop: IAD12-P1
x-cache: Error from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching