HTTP Headers Analysis for https://demo.heartkey.cloud

Detected Technologies from Headers

See all in URL Inspect 2

AWS CloudFront

Amazon S3

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• 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

Age

Caching

263940

Cache-Control

Caching

public, max-age=0, s-maxage=31536000

Etag

Caching

"b250b467c2c2b8a64f7e38df263a1bcf"

Last-Modified

Caching

Fri, 03 Apr 2026 12:55:55 GMT

age: 263940
cache-control: public, max-age=0, s-maxage=31536000
etag: "b250b467c2c2b8a64f7e38df263a1bcf"
last-modified: Fri, 03 Apr 2026 12:55:55 GMT

Content Headers

Content-Length

Content

1331

Content-Type

Content

text/html

content-length: 1331
content-type: text/html

Server Headers

Server

AmazonS3

server: AmazonS3

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Date

Other

Tue, 11 Aug 2026 08:27:29 GMT

Via

Other

1.1 912473ac1d19bf036ac06a064043c616.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

uWqitzGgKZEu06NVeYOpk_hwfTgsMftNHokcTRcjpMt4QkpoaISYMQ==

X-Amz-Cf-Pop

Other

IAD55-P7

X-Cache

Other

Hit from cloudfront

alt-svc: h3=":443"; ma=86400
date: Tue, 11 Aug 2026 08:27:29 GMT
via: 1.1 912473ac1d19bf036ac06a064043c616.cloudfront.net (CloudFront)
x-amz-cf-id: uWqitzGgKZEu06NVeYOpk_hwfTgsMftNHokcTRcjpMt4QkpoaISYMQ==
x-amz-cf-pop: IAD55-P7
x-cache: Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance