HTTP Headers Analysis for https://www.scalr.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare CDN Active incidents

Next.js

Vercel

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; 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

no-referrer-when-downgrade

Permissions-Policy

Present

autoplay=(), camera=(), fullscreen=(); +3 more

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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

706155

Cache-Control

Caching

public, max-age=0, must-revalidate

age: 706155
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

9f3c45ad4890206f-IAD

Date

Other

Wed, 29 Apr 2026 06:32:54 GMT

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=88,cfOrigin;dur=0

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::6rnvz-1777444374648-cae97f0a8561

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f3c45ad4890206f-IAD
date: Wed, 29 Apr 2026 06:32:54 GMT
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=88,cfOrigin;dur=0
x-matched-path: /
x-nextjs-prerender: 1
x-nextjs-stale-time: 300
x-vercel-cache: HIT
x-vercel-id: iad1::6rnvz-1777444374648-cae97f0a8561

Recommendations

Enable compression (gzip/brotli) to improve performance