HTTP Headers Analysis for https://preview.ca.knowbe4.com

Detected Technologies from Headers

See all in URL Inspect 2

AWS CloudFront

Amazon S3

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000; includeSubdomains; preload

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding, Origin

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

Caching Headers

Etag

Caching

"2d10d99e8388e5d43aec0986074a0119"

Last-Modified

Caching

Fri, 04 Sep 2026 17:58:28 GMT

etag: "2d10d99e8388e5d43aec0986074a0119"
last-modified: Fri, 04 Sep 2026 17:58:28 GMT

Content Headers

Content-Length

Content

4160

Content-Type

Content

text/html

content-length: 4160
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

Sun, 06 Sep 2026 18:44:53 GMT

Via

Other

1.1 44147ec36a13b8400f9afbf3bfc1f8d8.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

b2FuyYhbD3Qn6FYBAN7kp1G172ZxZAvyoe2BwL73jNhGc5CE8fSGbg==

X-Amz-Cf-Pop

Other

IAD61-P10

X-Amz-Server-Side-Encryption

Other

aws:kms

X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id

Other

arn:aws:kms:ca-central-1:823193265824:key/f09c234b-b66d-492d-a384-2bec54310c65

X-Amz-Server-Side-Encryption-Bucket-Key-Enabled

Other

true

X-Amz-Version-Id

Other

dFsx0_tjNBrepAcZffau69nlTBvrySj5

X-Cache

Other

RefreshHit from cloudfront

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

date: Sun, 06 Sep 2026 18:44:53 GMT
via: 1.1 44147ec36a13b8400f9afbf3bfc1f8d8.cloudfront.net (CloudFront)
x-amz-cf-id: b2FuyYhbD3Qn6FYBAN7kp1G172ZxZAvyoe2BwL73jNhGc5CE8fSGbg==
x-amz-cf-pop: IAD61-P10
x-amz-server-side-encryption: aws:kms
x-amz-server-side-encryption-aws-kms-key-id: arn:aws:kms:ca-central-1:823193265824:key/f09c234b-b66d-492d-a384-2bec54310c65
x-amz-server-side-encryption-bucket-key-enabled: true
x-amz-version-id: dFsx0_tjNBrepAcZffau69nlTBvrySj5
x-cache: RefreshHit from cloudfront
x-download-options: noopen
x-permitted-cross-domain-policies: none

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching