HTTP Headers Analysis for https://dotmetrics.net

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

Vary

Performance

Accept-Encoding

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

Caching Headers

Age

Caching

63555

Etag

Caching

"82533b55ec4c3972f9809f2a4def61ff"

Last-Modified

Caching

Wed, 29 Apr 2026 10:41:29 GMT

age: 63555
etag: "82533b55ec4c3972f9809f2a4def61ff"
last-modified: Wed, 29 Apr 2026 10:41:29 GMT

Content Headers

Content-Length

Content

6778

Content-Type

Content

text/html

content-length: 6778
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, 05 May 2026 16:11:37 GMT

Via

Other

1.1 1c0d510e454d1c0030788ad62e558d8a.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

JaY2Ow4sbKtqVLw_nCKI9irdC1aA1umlJKxethqqs7YFufcRwzuFiQ==

X-Amz-Cf-Pop

Other

IAD61-P5

X-Amz-Meta-Codebuild-Buildarn

Other

arn:aws:codebuild:eu-west-1:464891975610:build/serverless-prod-v2:e745a154-266a-4ced-9084-b45727d72a24

X-Amz-Meta-Codebuild-Content-Md5

Other

b5d9d621e477f110c96933b54124a4af

X-Amz-Meta-Codebuild-Content-Sha256

Other

b9b1015243eb55fb4d95890e86606fad0be49116459210564b236189debad641

X-Amz-Server-Side-Encryption

Other

AES256

X-Cache

Other

Hit from cloudfront

alt-svc: h3=":443"; ma=86400
date: Tue, 05 May 2026 16:11:37 GMT
via: 1.1 1c0d510e454d1c0030788ad62e558d8a.cloudfront.net (CloudFront)
x-amz-cf-id: JaY2Ow4sbKtqVLw_nCKI9irdC1aA1umlJKxethqqs7YFufcRwzuFiQ==
x-amz-cf-pop: IAD61-P5
x-amz-meta-codebuild-buildarn: arn:aws:codebuild:eu-west-1:464891975610:build/serverless-prod-v2:e745a154-266a-4ced-9084-b45727d72a24
x-amz-meta-codebuild-content-md5: b5d9d621e477f110c96933b54124a4af
x-amz-meta-codebuild-content-sha256: b9b1015243eb55fb4d95890e86606fad0be49116459210564b236189debad641
x-amz-server-side-encryption: AES256
x-cache: Hit from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching