HTTP Headers Analysis for https://korelearn.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Netlify

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Missing

Not configured 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=()

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks

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

0

Cache-Control

Caching

public,max-age=0,must-revalidate

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

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

Cache-Status

Other

"Netlify Edge"; fwd=miss; fwd-status=200; stored

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a2d539b27fb8289a-IAD

Date

Other

Wed, 19 Aug 2026 01:01:09 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=t1EJo9EvdVI3VVH%2BlGulvVi3VIMdfXqe7klkgq4LPKKWtDOmkX5hm057MC9f68if0SuKkhhBNGYnFJPrvdlrKshz%2Bw%2FQL6fMOI8SscZlERnQ6GW2ZYc5jinuYu3Tkq5o

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=602

X-Nf-Request-Id

Other

01M0BRJJYF7VNJMB1E6YAGP2P3

alt-svc: h3=":443"; ma=86400
cache-status: "Netlify Edge"; fwd=miss; fwd-status=200; stored
cf-cache-status: DYNAMIC
cf-ray: a2d539b27fb8289a-IAD
date: Wed, 19 Aug 2026 01:01:09 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=t1EJo9EvdVI3VVH%2BlGulvVi3VIMdfXqe7klkgq4LPKKWtDOmkX5hm057MC9f68if0SuKkhhBNGYnFJPrvdlrKshz%2Bw%2FQL6fMOI8SscZlERnQ6GW2ZYc5jinuYu3Tkq5o"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=15,cfOrigin;dur=602
x-nf-request-id: 01M0BRJJYF7VNJMB1E6YAGP2P3

Recommendations

Enable compression (gzip/brotli) to improve performance