HTTP Headers Analysis for https://preview.tuigroup.com

Detected Technologies from Headers

See all in URL Inspect 8

Umami Analytics

YouTube

Bluesky

EQS Group

Next.js

Sanity

Spotify

Vercel Active incidents

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; script-src; style-src; +9 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• 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

private, no-cache, no-store, max-age=0, must-revalidate

cache-control: private, no-cache, no-store, max-age=0, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

X-Powered-By

Server

Next.js

x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: NEXT_LOCALE=en; Path=/; Secure; SameSite=lax

Other Headers

Date

Other

Mon, 17 Aug 2026 18:43:13 GMT

Link

Other

URL https://preview.tuigroup.com/en

rel=alternate hreflang=en

URL https://preview.tuigroup.com/de

rel=alternate hreflang=de

URL https://preview.tuigroup.com/

rel=alternate hreflang=x-default

date: Mon, 17 Aug 2026 18:43:13 GMT
link: <https://preview.tuigroup.com/en>; rel="alternate"; hreflang="en", <https://preview.tuigroup.com/de>; rel="alternate"; hreflang="de", <https://preview.tuigroup.com/>; rel="alternate"; hreflang="x-default"

Recommendations

Enable compression (gzip/brotli) to improve performance

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