HTTP Headers Analysis for https://api.featurable.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=15552000; includeSubDomains

Content-Security-Policy

Good

default-src; base-uri; font-src; +8 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

no-referrer

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Strengthen CSP by removing 'unsafe-eval'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

Origin, Accept-Encoding

connection: close
vary: Origin, Accept-Encoding

Caching Headers

Etag

Caching

W/"3d-pEifnmK0UjHrPvLTgy0SpZGBBpQ"

etag: W/"3d-pEifnmK0UjHrPvLTgy0SpZGBBpQ"

Content Headers

Content-Length

Content

61

Content-Type

Content

application/json; charset=utf-8

content-length: 61
content-type: application/json; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Credentials

Cors

true

access-control-allow-credentials: true

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a2cb3844a9f3db71-IAD

Date

Other

Mon, 17 Aug 2026 19:52:32 GMT

Nel

Other

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

success: 0.0%

Origin-Agent-Cluster

Other

?1

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=3p%2BLECI1JUD783N%2FHe2t%2FR11g6qeMBv8itbFGTYUtGa9InIHb%2FNI8%2BaqP%2BkZ5tCkozJnz%2FMdvn269QbZ4sfvfTTCvZ1qJpfzkZN5cnu52SKyl55UU%2BBvKWaS5e1FUMgCZDRYGfA%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=8,cfOrigin;dur=78

X-Dns-Prefetch-Control

Other

off

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a2cb3844a9f3db71-IAD
date: Mon, 17 Aug 2026 19:52:32 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
origin-agent-cluster: ?1
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=3p%2BLECI1JUD783N%2FHe2t%2FR11g6qeMBv8itbFGTYUtGa9InIHb%2FNI8%2BaqP%2BkZ5tCkozJnz%2FMdvn269QbZ4sfvfTTCvZ1qJpfzkZN5cnu52SKyl55UU%2BBvKWaS5e1FUMgCZDRYGfA%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=8,cfOrigin;dur=78
x-dns-prefetch-control: off
x-download-options: noopen
x-permitted-cross-domain-policies: none

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching