HTTP Headers Analysis for https://tuvunglab.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

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

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

Cache-Control

Caching

s-maxage=31536000

cache-control: s-maxage=31536000

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

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f8311d3184cc596-IAD

Date

Other

Thu, 07 May 2026 20:45:39 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=xBcGAGzCctAjkyk1CcK1w93s1Bf5JrUBlU2dzD2q864tZ2TXS%2FV6E3KZarRA7bLGuJyx4nnntnuXY0layiYxc4FC5a%2Bfye2rL30n1qKmk9xL8W8wNRL0ByRedH1qmDeN

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=247,cfOrigin;dur=10

X-Nextjs-Cache

Other

HIT

X-Nextjs-Prerender

Other

1, 1

X-Nextjs-Stale-Time

Other

300

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f8311d3184cc596-IAD
date: Thu, 07 May 2026 20:45:39 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=xBcGAGzCctAjkyk1CcK1w93s1Bf5JrUBlU2dzD2q864tZ2TXS%2FV6E3KZarRA7bLGuJyx4nnntnuXY0layiYxc4FC5a%2Bfye2rL30n1qKmk9xL8W8wNRL0ByRedH1qmDeN"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=247,cfOrigin;dur=10
x-nextjs-cache: HIT
x-nextjs-prerender: 1, 1
x-nextjs-stale-time: 300

Recommendations

Enable compression (gzip/brotli) to improve performance

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