HTTP Headers Analysis for https://sentry.argon.gl

Detected Technologies from Headers

See all in URL Inspect 5

Cloudflare NEL Monitoring

Algolia

Arcade

Cloudflare CDN

Sentry

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=2592000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Good

font-src; script-src; base-uri; +9 more Analyze

X-Frame-Options

Excellent

deny

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Language, Cookie

connection: close
transfer-encoding: chunked
vary: Accept-Language, Cookie

Caching Headers

Cache-Control

Caching

max-age=0, no-cache, no-store, must-revalidate, private

Expires

Caching

Sun, 09 Aug 2026 23:19:59 GMT

cache-control: max-age=0, no-cache, no-store, must-revalidate, private
expires: Sun, 09 Aug 2026 23:19:59 GMT

Content Headers

Content-Language

Content

en

Content-Type

Content

text/html

content-language: en
content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: sc=uk02CdKHcpLK1YXFPne8LrTZzBG9SURk; expires=Sun, 08 Aug 2027 23:19:59 GMT; Max-Age=31449600; Path=/; SameSite=Lax
sentrysid=eyJ0ZXN0Y29va2llIjoid29ya2VkIn0:1wtCoB:_ILq3sV3zexyqj6b0jSQ77Z6YhXLmETTX5a-muve7Bs; expires=Sun, 23 Aug 2026 23:19:59 GMT; HttpOnly; Max-Age=1209600; Path=/

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a28a7d2109e2d6f3-IAD

Date

Other

Sun, 09 Aug 2026 23:19:59 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=pxsdl3HTgxCISU7f%2F8Kj%2FLkzgXJU1pU%2BPitvYQECf%2Fx8p0Y1dKEog97grWdjue35GgjvtIk7BIMmvRwLrnK0F1soM4M9%2BIZAcr2RqjRxpabBXrAQykCL1iFnGYmBgSnI5tc%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=9,cfOrigin;dur=549

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a28a7d2109e2d6f3-IAD
date: Sun, 09 Aug 2026 23:19:59 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=pxsdl3HTgxCISU7f%2F8Kj%2FLkzgXJU1pU%2BPitvYQECf%2Fx8p0Y1dKEog97grWdjue35GgjvtIk7BIMmvRwLrnK0F1soM4M9%2BIZAcr2RqjRxpabBXrAQykCL1iFnGYmBgSnI5tc%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=9,cfOrigin;dur=549

Recommendations

Enable compression (gzip/brotli) to improve performance