HTTP Headers Analysis for https://shelf-ssp.com

Detected Technologies from Headers

See all in URL Inspect 15

AWS Active incidents

AWS API Gateway

AWS CloudFront

Amazon S3

Beamer

Google API JS Client

Google Static File Front End

Intercom

jsDelivr

Next.js

Pendo

Stripe

Vimeo

YouTube

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63113904; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; script-src; connect-src; +7 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

• 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

Vary

Performance

Accept-Encoding

connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

Etag

Caching

"k2mx2s088924r"

cache-control: private, no-cache, no-store, max-age=0, must-revalidate
etag: "k2mx2s088924r"

Content Headers

Content-Length

Content

2763

Content-Type

Content

text/html; charset=utf-8

content-length: 2763
content-type: text/html; charset=utf-8

Server Headers

X-Powered-By

Server

Next.js

x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Date

Other

Mon, 11 May 2026 04:20:17 GMT

Via

Other

1.1 02953992e043cdd9273bab020f4030a0.cloudfront.net (CloudFront)

X-Amz-Apigw-Id

Other

dLrYPH_GoAMEk5A=

X-Amz-Cf-Id

Other

OmhqMXGt6wWrnIRovbVpSVwMjUTDBDDYtTH8ZCD5haXOw2N5bmLzCQ==

X-Amz-Cf-Pop

Other

IAD55-P5

X-Amzn-Remapped-Content-Length

Other

2763

X-Amzn-Requestid

Other

40607bac-fe6f-4f2b-a17a-14064965cdee

X-Amzn-Trace-Id

Other

Root=1-6a015901-726e6a790f23feab73d2df90;Sampled=1;Lineage=1:9c2849de:0

X-Cache

Other

Miss from cloudfront

alt-svc: h3=":443"; ma=86400
date: Mon, 11 May 2026 04:20:17 GMT
via: 1.1 02953992e043cdd9273bab020f4030a0.cloudfront.net (CloudFront)
x-amz-apigw-id: dLrYPH_GoAMEk5A=
x-amz-cf-id: OmhqMXGt6wWrnIRovbVpSVwMjUTDBDDYtTH8ZCD5haXOw2N5bmLzCQ==
x-amz-cf-pop: IAD55-P5
x-amzn-remapped-content-length: 2763
x-amzn-requestid: 40607bac-fe6f-4f2b-a17a-14064965cdee
x-amzn-trace-id: Root=1-6a015901-726e6a790f23feab73d2df90;Sampled=1;Lineage=1:9c2849de:0
x-cache: Miss from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

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