HTTP Headers Analysis for https://scientific-speculation.codidact.com

Open Cached · just now

26 Headers

Detected Technologies from Headers

See all in URL Inspect 6

Cloudflare NEL Monitoring

Cloudflare CDN

Font Awesome

jQuery

jsDelivr

Moment.js

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

Present

SAMEORIGIN, SAMEORIGIN

X-Content-Type-Options

Present

nosniff, nosniff

Referrer-Policy

Present

strict-origin-when-cross-origin, strict-origin-when-cross-origin

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
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

Transfer-Encoding

Performance

chunked

Vary

Performance

accept-encoding

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

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

cache-control: max-age=0, private, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Runtime

Server

0.713049

server: cloudflare
x-runtime: 0.713049

CORS Headers

Access-Control-Allow-Origin

Cors

access-control-allow-origin: *

Cookies Headers

Set-Cookie

set-cookie: csrf_token=nFX49Hka01YKRs5o8KKwppWIJUqqNDEzWxtLnk30MoRPxy%2FgPeGc%2B%2FJCqtzy6DfV6qa2zJCz0iRH3QfMyO4qLHM9l8q4935PkamzViIIaFdQS0%2FQUlBAOTwKEb3%2FtZcGhFNv2zKHfjgttZthZToMoTelAIuQzuyfYqVvTIuMbMW9CrhHH2PVzTtO3ajoYg%2Bp8Z3einHDlYE0JnLORjOhDH2nP%2FQqGcoLb9OPu4HB19jYo8QgNKqEokOvk%2FNYRQSvQHUo%2BKIyi9l2RFUld6C%2FnGVTnobhHQ%2F7mgNAKL0b3Ltrjh1H2jEomqPdqpQUoX8hEtDVK0wCPHiWiEabFiImjQ%3D%3D--vwh90KHaT9C1Ji4O--bqjL9nJHYoo%2FKp8PjdNSoA%3D%3D; path=/; expires=Fri, 11 May 2046 19:38:07 GMT; HttpOnly; SameSite=Lax
codidact_acct=s3HDXQuEr%2BaEFRMAweM5QEStwxMxAtqRbt%2B%2BJeXau9CJjEj1F9LdvZgGZ%2Bgi3wFhejBKyUSFNS6XapL1weuH9%2BnPuo0x78eji3bLb%2F8mC6GYR2cpulGxsrkqk563RwWVKAv%2BssA614IO%2FWT3fv972BZ2qwPOEzBnDC%2BdAw6aPkUSrLYPTa0HERSQdDVEJKPn2MEhkkNp7CBzYyfxb6PVsuI%3D--MZD5xyRYNvJAvR%2BF--z2H3tf0Y6dEupuk8PckodA%3D%3D; domain=codidact.com; path=/; HttpOnly; SameSite=Lax

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9fa3a45e6f53e601-IAD

Date

Other

Mon, 11 May 2026 19:38:07 GMT

Link

Other

URL

https://cdn.jsdelivr.net/npm/@fortawesome/[email protected]/css/all.min.css

rel=preload as=style nopush

URL

https://cdn.jsdelivr.net/npm/@codidact/co-design@latest/dist/codidact.css

rel=preload as=style nopush

URL

https://cdn.jsdelivr.net/npm/[email protected]/dist/css/select2.min.css

rel=preload as=style nopush

URL /assets/application-8c71d793c09467f767294787e454bd866a2551348aa591031db4b0e865aff2ca.css

rel=preload as=style nopush

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=yvnAu3yfJJrhy5aDH7Cp6K8JajNJDbKj7hQU7iO6M8qoBNVqqVSnnzABdpI04FBfDqhoH2ney%2BqaTqRE0NC3phzGYx%2BBAtAR2osA7TJMICXQ%2FN%2FgFrYFT6W0gG5T5E3meLXYEzfvK56Ksq2LJT%2BHgurtYMAv

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=736

Speculation-Rules

Other

"/cdn-cgi/speculation"

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

53273a57-4a40-4eff-9710-24c041f481f3

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9fa3a45e6f53e601-IAD
date: Mon, 11 May 2026 19:38:07 GMT
link: <https://cdn.jsdelivr.net/npm/@fortawesome/[email protected]/css/all.min.css>; rel=preload; as=style; nopush,<https://cdn.jsdelivr.net/npm/@codidact/co-design@latest/dist/codidact.css>; rel=preload; as=style; nopush,<https://cdn.jsdelivr.net/npm/[email protected]/dist/css/select2.min.css>; rel=preload; as=style; nopush,</assets/application-8c71d793c09467f767294787e454bd866a2551348aa591031db4b0e865aff2ca.css>; rel=preload; as=style; nopush,<https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js>; rel=preload; as=script; nopush,<https://cdn.jsdelivr.net/npm/[email protected]/min/moment.min.js>; rel=preload; as=script; nopush,<https://cdn.jsdelivr.net/npm/[email protected]/dist/js/select2.min.js>; rel=preload; as=script; nopush,<https://cdn.jsdelivr.net/npm/[email protected]/dist/purify.min.js>; rel=preload; as=script; nopush,</assets/application-6d7ce61a63da4262583cbb1cf2114c0f35418f097755678cc695e04f3e51f97b.js>; rel=preload; as=script; nopush
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=yvnAu3yfJJrhy5aDH7Cp6K8JajNJDbKj7hQU7iO6M8qoBNVqqVSnnzABdpI04FBfDqhoH2ney%2BqaTqRE0NC3phzGYx%2BBAtAR2osA7TJMICXQ%2FN%2FgFrYFT6W0gG5T5E3meLXYEzfvK56Ksq2LJT%2BHgurtYMAv"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=736
speculation-rules: "/cdn-cgi/speculation"
x-download-options: noopen
x-permitted-cross-domain-policies: none
x-request-id: 53273a57-4a40-4eff-9710-24c041f481f3

Recommendations

Enable compression (gzip/brotli) to improve performance