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

Detected Technologies from Headers

See all in URL Inspect 2

Next.js

Vercel

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=63072000

Content-Security-Policy

Basic

default-src; frame-ancestors 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

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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch

accept-ranges: bytes
connection: close
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch

Caching Headers

Age

Caching

2850

Cache-Control

Caching

private, no-store, must-revalidate

Etag

Caching

"9351318294a53b4b67820234eefb344a"

age: 2850
cache-control: private, no-store, must-revalidate
etag: "9351318294a53b4b67820234eefb344a"

Content Headers

Content-Disposition

Content

inline

Content-Length

Content

894641

Content-Type

Content

text/html; charset=utf-8

content-disposition: inline
content-length: 894641
content-type: text/html; charset=utf-8

Server Headers

Server

Vercel

server: Vercel

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

Set-Cookie

Cookies

set-cookie: rm-country=US; Path=/; Expires=Tue, 01 Dec 2026 13:50:14 GMT; Secure; SameSite=lax
rm-region=IL; Path=/; Expires=Tue, 01 Dec 2026 13:50:14 GMT; Secure; SameSite=lax

Other Headers

Date

Other

Thu, 04 Jun 2026 13:50:14 GMT

X-Matched-Path

Other

/us

X-Nextjs-Prerender

Other

1

X-Nextjs-Stale-Time

Other

300

X-Vercel-Cache

Other

HIT

X-Vercel-Id

Other

iad1::sl9nk-1780581014679-53715cb0e9bf

date: Thu, 04 Jun 2026 13:50:14 GMT
x-matched-path: /us
x-nextjs-prerender: 1
x-nextjs-stale-time: 300
x-vercel-cache: HIT
x-vercel-id: iad1::sl9nk-1780581014679-53715cb0e9bf

Recommendations

Enable compression (gzip/brotli) to improve performance