HTTP Headers Analysis for https://app.labelbox.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Basic

default-src; script-src; connect-src; +5 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

no-store, no-cache, must-revalidate, proxy-revalidate

Expires

Caching

0

Pragma

Caching

no-cache

cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
expires: 0
pragma: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Cf-Cache-Status

Other

MISS

Cf-Ray

Other

9f979ee98b051b59-IAD

Date

Other

Sun, 10 May 2026 08:37:13 GMT

Server-Timing

Other

cfCacheStatus;desc="MISS", cfEdge;dur=35,cfOrigin;dur=15

Surrogate-Control

Other

no-store

X-Content-Security-Policy

Other

default-src 'self' https:; script-src 'self' https: 'unsafe-inline' 'unsafe-eval'; connect-src 'self' https: wss:; font-src https: data:; img-src blob: 'self' data: https:; media-src 'self' https: blob:; style-src 'self' https: 'unsafe-inline'; worker-src blob: https:

X-Dns-Prefetch-Control

Other

off

X-Download-Options

Other

noopen

X-Webkit-Csp

Other

default-src 'self' https:; script-src 'self' https: 'unsafe-inline' 'unsafe-eval'; connect-src 'self' https: wss:; font-src https: data:; img-src blob: 'self' data: https:; media-src 'self' https: blob:; style-src 'self' https: 'unsafe-inline'; worker-src blob: https:

cf-cache-status: MISS
cf-ray: 9f979ee98b051b59-IAD
date: Sun, 10 May 2026 08:37:13 GMT
server-timing: cfCacheStatus;desc="MISS", cfEdge;dur=35,cfOrigin;dur=15
surrogate-control: no-store
x-content-security-policy: default-src 'self' https:; script-src 'self' https: 'unsafe-inline' 'unsafe-eval'; connect-src 'self' https: wss:; font-src https: data:; img-src blob: 'self' data: https:; media-src 'self' https: blob:; style-src 'self' https: 'unsafe-inline'; worker-src blob: https:
x-dns-prefetch-control: off
x-download-options: noopen
x-webkit-csp: default-src 'self' https:; script-src 'self' https: 'unsafe-inline' 'unsafe-eval'; connect-src 'self' https: wss:; font-src https: data:; img-src blob: 'self' data: https:; media-src 'self' https: blob:; style-src 'self' https: 'unsafe-inline'; worker-src blob: https:

Recommendations

Enable compression (gzip/brotli) to improve performance