HTTP Headers Analysis for https://clerk.uploadthing.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=63072000;

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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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-Type

Content

application/json

content-length: 0
content-type: application/json

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=78hR5DOaPFftNjSVqy.EMzVdgWkp2PIpjWSQlBTPsa0-1787805455-1.0.1.1-Ea1c6nDE.204IVGo1yWPJkkO1KlqGy3GAuONM_ITJ3ph74do9TzPe5.0gmT60LIw0.gwE5.W_zOq9SkIhtv6aZFJJXXvX3KEpgPBMMAAXQg; path=/; expires=Thu, 27-Aug-26 05:07:35 GMT; domain=.clerk.uploadthing.com; HttpOnly; Secure; SameSite=None
_cfuvid=ZQw7THHICl6dUA0VUMhLAbzhEdJ7VBPJWLJ6KOrevNg-1787805455857-0.0.1.1-604800000; path=/; domain=.clerk.uploadthing.com; HttpOnly; Secure; SameSite=None

Other Headers

Cf-Ray

Other

a31861c30a70ad11-IAD

Date

Other

Thu, 27 Aug 2026 04:37:35 GMT

Nel

Other

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

success: 1.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=w9MFGwuwpKYyN2qMuo2uYHXDqSZVJXnRb4SDQVFQqYJAZtAbchbOzuIWQZIwxdN2dWFLYcWm2dou92BBqXnp3LRc6tUXufgJXieQ19WwK%2FkXYZwJ9F4CugEpKhq2WoPtXnDj06rNAw%3D%3D

X-Cfworker

Other

1

X-Clerk-Trace-Id

Other

a1486ae50a0126b5b0c29fe01abab02d

X-Country

Other

US

X-Robots-Tag

Other

noindex, nofollow

cf-ray: a31861c30a70ad11-IAD
date: Thu, 27 Aug 2026 04:37:35 GMT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=w9MFGwuwpKYyN2qMuo2uYHXDqSZVJXnRb4SDQVFQqYJAZtAbchbOzuIWQZIwxdN2dWFLYcWm2dou92BBqXnp3LRc6tUXufgJXieQ19WwK%2FkXYZwJ9F4CugEpKhq2WoPtXnDj06rNAw%3D%3D"}],"group":"cf-nel","max_age":604800}
x-cfworker: 1
x-clerk-trace-id: a1486ae50a0126b5b0c29fe01abab02d
x-country: US
x-robots-tag: noindex, nofollow

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching