HTTP Headers Analysis for https://blog.codewars.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

accept-encoding

connection: close
transfer-encoding: chunked
vary: accept-encoding

Caching Headers

Age

Caching

66966

Cache-Control

Caching

max-age=0, private, must-revalidate

Last-Modified

Caching

Mon, 04 May 2026 07:09:19 GMT

age: 66966
cache-control: max-age=0, private, must-revalidate
last-modified: Mon, 04 May 2026 07:09:19 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

X-Runtime

Server

0.152312

server: cloudflare
x-runtime: 0.152312

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: CSRF-TOKEN=njjbv%2B8jyQGlDc64eXeUitUHFiGzG%2BR5B0R%2FNH3EHVtt3RFbKHXd48yo6stRc%2BBsdcTpPB2nBmRrEPUkBz37VQ%3D%3D; path=/; SameSite=Lax
_session_id=a412ea685fdc139dd6d92d37a65ea6e1; path=/; expires=Fri, 08 May 2026 01:45:25 GMT; HttpOnly; SameSite=Lax

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f6c10d018217f56-IAD

Date

Other

Tue, 05 May 2026 01:45:25 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=Ve92O474W5NVEblILBN7JgVxJxzaiMrjXDJRVbhWiHmdzTd8%2F6S8WRXkDTNiKcz9TFwLin%2Fa1%2B83XgmZPs0IX9HUw%2B4RtADkAvx46Rp7GXROOFHuXzAwkekLkzE2%2BpNz9ms%3D

Surrogate-Control

Other

max-age=432000

Surrogate-Key

Other

wf.codewars.com 6674f0cdb5b7b401612cf015 pageId:6674f0cdb5b7b401612cf070 6674f0cdb5b7b401612cf025 6674f0cdb5b7b401612cf028 6674f0cdb5b7b401612cf02b

Via

Other

1.1 google

X-Cluster-Name

Other

us-east-1-prod-hosting-red

X-Download-Options

Other

noopen

X-Lambda-Id

Other

3348083e-c7e9-4b39-a291-c0bf0dc74739

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

612d4c1a-838d-4b2c-bfed-7de44092364e

X-Wf-Region

Other

us-east-1

cf-cache-status: DYNAMIC
cf-ray: 9f6c10d018217f56-IAD
date: Tue, 05 May 2026 01:45:25 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=Ve92O474W5NVEblILBN7JgVxJxzaiMrjXDJRVbhWiHmdzTd8%2F6S8WRXkDTNiKcz9TFwLin%2Fa1%2B83XgmZPs0IX9HUw%2B4RtADkAvx46Rp7GXROOFHuXzAwkekLkzE2%2BpNz9ms%3D"}]}
surrogate-control: max-age=432000
surrogate-key: wf.codewars.com 6674f0cdb5b7b401612cf015 pageId:6674f0cdb5b7b401612cf070 6674f0cdb5b7b401612cf025 6674f0cdb5b7b401612cf028 6674f0cdb5b7b401612cf02b
via: 1.1 google
x-cluster-name: us-east-1-prod-hosting-red
x-download-options: noopen
x-lambda-id: 3348083e-c7e9-4b39-a291-c0bf0dc74739
x-permitted-cross-domain-policies: none
x-request-id: 612d4c1a-838d-4b2c-bfed-7de44092364e
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance