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

Detected Technologies from Headers

See all in URL Inspect 2

AWS CloudFront

Amazon S3

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

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

no-cache

Etag

Caching

"b8c400d4c6a38260f77902f4c91495ce"

Last-Modified

Caching

Mon, 11 May 2026 18:18:10 GMT

cache-control: no-cache
etag: "b8c400d4c6a38260f77902f4c91495ce"
last-modified: Mon, 11 May 2026 18:18:10 GMT

Content Headers

Content-Length

Content

3189

Content-Type

Content

text/html

content-length: 3189
content-type: text/html

Server Headers

Server

AmazonS3

server: AmazonS3

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Mon, 11 May 2026 20:18:41 GMT

Via

Other

1.1 bae9b5cf91e37b01cfae8886aa7bf606.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

QXZPCbNjupHEpJHdmgyqNgEmC7PzWplTbVUJWkrWVcAutXLjfSYuIw==

X-Amz-Cf-Pop

Other

IAD55-P4

X-Amz-Expiration

Other

expiry-date="Mon, 10 Aug 2026 00:00:00 GMT", rule-id="Expire Objects After A 90 days"

X-Amz-Replication-Status

Other

COMPLETED

X-Amz-Server-Side-Encryption

Other

AES256

X-Amz-Version-Id

Other

kylsChltRnXkhJfRD78RC.CCst6D4cy2

X-Cache

Other

RefreshHit from cloudfront

date: Mon, 11 May 2026 20:18:41 GMT
via: 1.1 bae9b5cf91e37b01cfae8886aa7bf606.cloudfront.net (CloudFront)
x-amz-cf-id: QXZPCbNjupHEpJHdmgyqNgEmC7PzWplTbVUJWkrWVcAutXLjfSYuIw==
x-amz-cf-pop: IAD55-P4
x-amz-expiration: expiry-date="Mon, 10 Aug 2026 00:00:00 GMT", rule-id="Expire Objects After A 90 days"
x-amz-replication-status: COMPLETED
x-amz-server-side-encryption: AES256
x-amz-version-id: kylsChltRnXkhJfRD78RC.CCst6D4cy2
x-cache: RefreshHit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance