HTTP Headers Analysis for https://api.c99.ai

Detected Technologies from Headers

See all in URL Inspect 3

AWS CloudFront

Amazon S3

Cloudflare CDN

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

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

634597

Cache-Control

Caching

no-store

Etag

Caching

"71a50dbba44c78128b221b7df7bb51f1"

Last-Modified

Caching

Thu, 05 Mar 2026 20:17:55 GMT

age: 634597
cache-control: no-store
etag: "71a50dbba44c78128b221b7df7bb51f1"
last-modified: Thu, 05 Mar 2026 20:17:55 GMT

Content Headers

Content-Length

Content

95

Content-Type

Content

image/png

content-length: 95
content-type: image/png

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

9eabb1203c92e5e4-IAD

Date

Other

Sat, 11 Apr 2026 17:25:40 GMT

Via

Other

1.1 5b2c8835769407fe709684d524616648.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

ygGH8WTN5Qjbe1gZalQSp4PqfKEOJSWKLMkriPj65kfLphKJ9Lybsg==

X-Amz-Cf-Pop

Other

ATL59-P18

X-Amz-Server-Side-Encryption

Other

AES256

X-Cache

Other

Hit from cloudfront

cf-cache-status: HIT
cf-ray: 9eabb1203c92e5e4-IAD
date: Sat, 11 Apr 2026 17:25:40 GMT
via: 1.1 5b2c8835769407fe709684d524616648.cloudfront.net (CloudFront)
x-amz-cf-id: ygGH8WTN5Qjbe1gZalQSp4PqfKEOJSWKLMkriPj65kfLphKJ9Lybsg==
x-amz-cf-pop: ATL59-P18
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance