HTTP Headers Analysis for https://esimcard.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

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

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

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, Accept-Encoding

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

Caching Headers

Cache-Control

Caching

s-maxage=86400, stale-while-revalidate

cache-control: s-maxage=86400, stale-while-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Powered-By

Server

Next.js

server: cloudflare
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f4cb5226a94d629-IAD

Date

Other

Fri, 01 May 2026 06:25:12 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=KUG%2FjZngtZIqb3%2F62fRFKxHszcZ15KlT2ojW%2Bficz3Ib%2F0%2FsAZjdtTvNZMhOF2dixuu0bMmatMtSJBS8MSgilObSJmjjy23yhRfWMzXbrK3vqZfNzVgAhysNmTMtuQ%3D%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=16,cfOrigin;dur=28

X-Nextjs-Cache

Other

HIT

cf-cache-status: DYNAMIC
cf-ray: 9f4cb5226a94d629-IAD
date: Fri, 01 May 2026 06:25:12 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=KUG%2FjZngtZIqb3%2F62fRFKxHszcZ15KlT2ojW%2Bficz3Ib%2F0%2FsAZjdtTvNZMhOF2dixuu0bMmatMtSJBS8MSgilObSJmjjy23yhRfWMzXbrK3vqZfNzVgAhysNmTMtuQ%3D%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=16,cfOrigin;dur=28
x-nextjs-cache: HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology