HTTP Headers Analysis for https://cdn.builder.codes

Detected Technologies from Headers

See all in URL Inspect 4

AWS CloudFront

Google Static File Front End

Express

Next.js

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

• Add Strict-Transport-Security header with max-age of at least 1 year
• 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

Vary

Performance

Accept-Encoding

connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

10

Cache-Control

Caching

max-age=5, s-maxage=5, stale-while-revalidate=1209600, stale-if-error=2678400

age: 10
cache-control: max-age=5, s-maxage=5, stale-while-revalidate=1209600, stale-if-error=2678400

Content Headers

Content-Length

Content

3381653

Content-Type

Content

text/html; charset=utf-8

content-length: 3381653
content-type: text/html; charset=utf-8

Server Headers

Server

Google Frontend

X-Powered-By

Server

Express

server: Google Frontend
x-powered-by: Express

CORS Headers

Access-Control-Allow-Headers

Cors

content-type, accept, authorization, x-builder-sdk, x-builder-sdk-gen, x-builder-sdk-version, sentry-trace, baggage

Access-Control-Allow-Methods

Cors

GET, POST, PUT, DELETE, OPTIONS, PATCH

Access-Control-Allow-Origin

Cors

*

access-control-allow-headers: content-type, accept, authorization, x-builder-sdk, x-builder-sdk-gen, x-builder-sdk-version, sentry-trace, baggage
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS, PATCH
access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Access-Control-Allow-Private-Network

Other

true

Cache-Tag

Other

344222511957, 344222511957:builder-site

Cdn-Cache-Status

Other

miss

Date

Other

Wed, 18 Feb 2026 22:57:37 GMT

Function-Execution-Id

Other

q6om9cc1ycy3

Surrogate-Control

Other

max-age=5, s-maxage=5, stale-while-revalidate=1209600, stale-if-error=2678400

Traceparent

Other

00-a61c6d1369361a49abc3ce5354f7622b-70aa9dbed028d84d-00

Via

Other

1.1 google, 1.1 7699e4f17e72e42cba0c247c650005d2.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

yM31IEhX1ifJRG7aBcK8_Y0jcbiF9a4EVR6zye6kjr4MWF_XhuSSUQ==

X-Amz-Cf-Pop

Other

IAD12-P1

X-Cache

Other

Hit from cloudfront

X-Cloud-Trace-Context

Other

a61c6d1369361a49abc3ce5354f7622b/8118474721150425165

X-Fah-Adapter

Other

nextjs-14.0.21

X-Nextjs-Cache

Other

STALE

X-Request-Id

Other

367e5e20-0d1d-11f1-a40a-d9fb35650590

access-control-allow-private-network: true
cache-tag: 344222511957, 344222511957:builder-site
cdn-cache-status: miss
date: Wed, 18 Feb 2026 22:57:37 GMT
function-execution-id: q6om9cc1ycy3
surrogate-control: max-age=5, s-maxage=5, stale-while-revalidate=1209600, stale-if-error=2678400
traceparent: 00-a61c6d1369361a49abc3ce5354f7622b-70aa9dbed028d84d-00
via: 1.1 google, 1.1 7699e4f17e72e42cba0c247c650005d2.cloudfront.net (CloudFront)
x-amz-cf-id: yM31IEhX1ifJRG7aBcK8_Y0jcbiF9a4EVR6zye6kjr4MWF_XhuSSUQ==
x-amz-cf-pop: IAD12-P1
x-cache: Hit from cloudfront
x-cloud-trace-context: a61c6d1369361a49abc3ce5354f7622b/8118474721150425165
x-fah-adapter: nextjs-14.0.21
x-nextjs-cache: STALE
x-request-id: 367e5e20-0d1d-11f1-a40a-d9fb35650590

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology