HTTP Headers Analysis for https://developers.cloudflare.com

Detected Technologies from Headers

See all in URL Inspect 10

Cloudflare CSP Monitoring

YouTube

Adobe Marketo

Cloudflare

Cloudflare CDN

Cloudflare Stream

Cloudflare Web Analytics

Demandbase

Google Search

jsDelivr

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; preload

Content-Security-Policy

Basic

form-action; frame-src; frame-ancestors; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

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
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• 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-encoding

connection: close
transfer-encoding: chunked
vary: accept-encoding

Caching Headers

Cache-Control

Caching

public, max-age=0, must-revalidate

cache-control: public, max-age=0, must-revalidate

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=KHzf0OVEcb.HsESjc7VdWi1US5Qa0cqWjAbZ55J8WXM-1787440863.1978755-1.0.1.1-.YVi8JkyXT4b26x9hJJXRGuY8Z1kumWeZX8ELQV40RA1AN3Uq2bA5jVETlBoH.SMfgfnURrTiqHARCQ_SYPc.FF7giXgDE._ZZ9FCnMpvhYTlj5EOf4vG45U4Gb588R3; HttpOnly; SameSite=None; Secure; Path=/; Domain=developers.cloudflare.com; Expires=Sat, 22 Aug 2026 23:51:03 GMT

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

a2f59c92fd9ed679-IAD

Date

Other

Sat, 22 Aug 2026 23:21:03 GMT

Link

Other

URL

/api/

rel=service-doc

Report-To

Other

Group cf-umrigiuklrgihsvx max-age: 1d

Endpoint 1 https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=6m7bO3Zsw8QihWGsE2ucl5U4u4xnjurG0Xfx.eSe6eU-1787440863.1978755-1.0.1.1-pQF7f0KBBuA.X5hLJQuPjo5vwjsubVjVx_.OMlyACbm8L_gVhLT.5ZqArTkZDZ7F3Su6EQUgJp2_8zeSG2JwRh3dx76N2iFb1bLoL1wwL6PO4wCUsJS779PGUgadT2Y0PvqKNzRWm6Td9HxYU7SBgEgz8XaH2LAtjXYeYlF1iaCihXLg12C41xS9KOo9rgL.kumcDol6unC15FqRt102zA

Reporting-Endpoints

Other

cf-umrigiuklrgihsvx="https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=6m7bO3Zsw8QihWGsE2ucl5U4u4xnjurG0Xfx.eSe6eU-1787440863.1978755-1.0.1.1-pQF7f0KBBuA.X5hLJQuPjo5vwjsubVjVx_.OMlyACbm8L_gVhLT.5ZqArTkZDZ7F3Su6EQUgJp2_8zeSG2JwRh3dx76N2iFb1bLoL1wwL6PO4wCUsJS779PGUgadT2Y0PvqKNzRWm6Td9HxYU7SBgEgz8XaH2LAtjXYeYlF1iaCihXLg12C41xS9KOo9rgL.kumcDol6unC15FqRt102zA"

Server-Timing

Other

cfCacheStatus;desc="HIT", cfEdge;dur=13,cfOrigin;dur=0,cfWorker;dur=11

Speculation-Rules

Other

"/cdn-cgi/speculation"

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: a2f59c92fd9ed679-IAD
date: Sat, 22 Aug 2026 23:21:03 GMT
link: </api/>; rel="service-doc"
report-to: {"group":"cf-umrigiuklrgihsvx","max_age":86400,"endpoints":[{"url":"https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=6m7bO3Zsw8QihWGsE2ucl5U4u4xnjurG0Xfx.eSe6eU-1787440863.1978755-1.0.1.1-pQF7f0KBBuA.X5hLJQuPjo5vwjsubVjVx_.OMlyACbm8L_gVhLT.5ZqArTkZDZ7F3Su6EQUgJp2_8zeSG2JwRh3dx76N2iFb1bLoL1wwL6PO4wCUsJS779PGUgadT2Y0PvqKNzRWm6Td9HxYU7SBgEgz8XaH2LAtjXYeYlF1iaCihXLg12C41xS9KOo9rgL.kumcDol6unC15FqRt102zA"}]}
reporting-endpoints: cf-umrigiuklrgihsvx="https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=6m7bO3Zsw8QihWGsE2ucl5U4u4xnjurG0Xfx.eSe6eU-1787440863.1978755-1.0.1.1-pQF7f0KBBuA.X5hLJQuPjo5vwjsubVjVx_.OMlyACbm8L_gVhLT.5ZqArTkZDZ7F3Su6EQUgJp2_8zeSG2JwRh3dx76N2iFb1bLoL1wwL6PO4wCUsJS779PGUgadT2Y0PvqKNzRWm6Td9HxYU7SBgEgz8XaH2LAtjXYeYlF1iaCihXLg12C41xS9KOo9rgL.kumcDol6unC15FqRt102zA"
server-timing: cfCacheStatus;desc="HIT", cfEdge;dur=13,cfOrigin;dur=0,cfWorker;dur=11
speculation-rules: "/cdn-cgi/speculation"

Recommendations

Enable compression (gzip/brotli) to improve performance