HTTP Headers Analysis for https://scholarduck.org

Detected Technologies from Headers

See all in URL Inspect 13

Cloudflare NEL Monitoring

Cloudflare CDN

Cloudflare CDNJS

Google API JS Client

Google Fonts

Google Sign-In

G Workspace

Been Pwned?

jsDelivr

PostHog

Stripe

Supabase Active incidents

unpkg

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; script-src; style-src; +10 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

geolocation=(), microphone=(), camera=(); +2 more

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

x-fh-requested-host, accept-encoding

connection: close
transfer-encoding: chunked
vary: x-fh-requested-host, accept-encoding

Caching Headers

Cache-Control

Caching

public, max-age=300, s-maxage=600, stale-while-revalidate=86400

Last-Modified

Caching

Fri, 04 Sep 2026 00:12:36 GMT

cache-control: public, max-age=300, s-maxage=600, stale-while-revalidate=86400
last-modified: Fri, 04 Sep 2026 00:12:36 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a35dfcd73eb74299-EWR

Date

Other

Fri, 04 Sep 2026 15:22:05 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=Rkff9V6nwVgZdsrX5lkKxkhTWlUe1i8N%2B51ixIusZ1UdLnXopdyLBEPyddZJx%2FlBmeJtXPBnWFkmzsZSiocZTAKzgsfnDAcIBcriNPORc3Ai65VkvwV9XC07h%2Fv0iu7uX44%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=28,cfOrigin;dur=14

X-Cache

Other

HIT

X-Cache-Hits

Other

0

X-Robots-Tag

Other

index, follow

X-Served-By

Other

cache-lga21952-LGA

X-Timer

Other

S1788535325.355330,VS0,VE2

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a35dfcd73eb74299-EWR
date: Fri, 04 Sep 2026 15:22:05 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=Rkff9V6nwVgZdsrX5lkKxkhTWlUe1i8N%2B51ixIusZ1UdLnXopdyLBEPyddZJx%2FlBmeJtXPBnWFkmzsZSiocZTAKzgsfnDAcIBcriNPORc3Ai65VkvwV9XC07h%2Fv0iu7uX44%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=28,cfOrigin;dur=14
x-cache: HIT
x-cache-hits: 0
x-robots-tag: index, follow
x-served-by: cache-lga21952-LGA
x-timer: S1788535325.355330,VS0,VE2

Recommendations

Enable compression (gzip/brotli) to improve performance