HTTP Headers Analysis for https://nbmecalc.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Next.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

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

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

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• 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

connection: close
transfer-encoding: chunked
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch

Caching Headers

Cache-Control

Caching

public, max-age=0, must-revalidate

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

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

a49ae894bcdbc958-IAD

Date

Other

Tue, 13 Oct 2026 02:28:01 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=Lsid3hkdSjmqYnglIcGdRJY7Gq6NAT%2FiUw0Sqq3PGsCr2zYnaFdTsp6kvP%2FjiZfe%2FSYEW774LoZQ%2FIBaEtDA7hQs2Uoaq3ho74OLOh2TO2l8iQO6hfodNcPDojrQHjk%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=23,cfOrigin;dur=349

X-Matched-Path

Other

/

X-Next-Cache-Tags

Other

_N_T_/layout,_N_T_/page,_N_T_/

X-Nextjs-Prerender

Other

1

X-Nextjs-Stale-Time

Other

4294967294

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a49ae894bcdbc958-IAD
date: Tue, 13 Oct 2026 02:28:01 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=Lsid3hkdSjmqYnglIcGdRJY7Gq6NAT%2FiUw0Sqq3PGsCr2zYnaFdTsp6kvP%2FjiZfe%2FSYEW774LoZQ%2FIBaEtDA7hQs2Uoaq3ho74OLOh2TO2l8iQO6hfodNcPDojrQHjk%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=23,cfOrigin;dur=349
x-matched-path: /
x-next-cache-tags: _N_T_/layout,_N_T_/page,_N_T_/
x-nextjs-prerender: 1
x-nextjs-stale-time: 4294967294

Recommendations

Enable compression (gzip/brotli) to improve performance