HTTP Headers Analysis for https://3blockz.com

Detected Technologies from Headers

See all in URL Inspect 4

Cloudflare NEL Monitoring

Cloudflare CDN

Next.js

Vercel

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

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

camera=(), microphone=(), geolocation=()

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, accept-encoding

connection: close
transfer-encoding: chunked
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, accept-encoding

Caching Headers

Age

Caching

841588

Cache-Control

Caching

public, max-age=0, must-revalidate

age: 841588
cache-control: public, max-age=0, must-revalidate

Content Headers

Content-Disposition

Content

inline

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a3294e534e0733b8-IAD

Date

Other

Sat, 29 Aug 2026 05:55:18 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=1pIFA4SHEFKhsQR8hjIhIzZWQ8F616pP%2BwIuswGCroAuUdV%2F6oSHaOOQ44l4W4G3MT0cOG9L0oh8sfLEpK9Zl0BTs0he6GGkQ3M8P986Q4YDATv6DQHnB92s7B0FFHWts5A%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=13,cfOrigin;dur=744

X-Matched-Path

Other

/

X-Nextjs-Prerender

Other

1

X-Nextjs-Stale-Time

Other

300

X-Vercel-Cache

Other

HIT

X-Vercel-Id

Other

iad1::skpwd-1787982917714-b6600c4e6ceb

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a3294e534e0733b8-IAD
date: Sat, 29 Aug 2026 05:55:18 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=1pIFA4SHEFKhsQR8hjIhIzZWQ8F616pP%2BwIuswGCroAuUdV%2F6oSHaOOQ44l4W4G3MT0cOG9L0oh8sfLEpK9Zl0BTs0he6GGkQ3M8P986Q4YDATv6DQHnB92s7B0FFHWts5A%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=13,cfOrigin;dur=744
x-matched-path: /
x-nextjs-prerender: 1
x-nextjs-stale-time: 300
x-vercel-cache: HIT
x-vercel-id: iad1::skpwd-1787982917714-b6600c4e6ceb

Recommendations

Enable compression (gzip/brotli) to improve performance