HTTP Headers Analysis for https://mark.com

Detected Technologies from Headers

See all in URL Inspect 2

Nginx

Phusion Passenger

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

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

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

Vary

Performance

Accept-Encoding

vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

Etag

Caching

W/"406d0e6f66eae8f74846a25fc0b30313"

cache-control: max-age=0, private, must-revalidate
etag: W/"406d0e6f66eae8f74846a25fc0b30313"

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

nginx + Phusion Passenger(R) 6.2.1

X-Powered-By

Server

Phusion Passenger(R) 6.2.1

X-Runtime

Server

0.015328

server: nginx + Phusion Passenger(R) 6.2.1
x-powered-by: Phusion Passenger(R) 6.2.1
x-runtime: 0.015328

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: _mark_session=NzdZcHorb3JjdHZZcUR5bWFPQmRnOE5oMWxOL3FxVjFPWTcveGNmdWdKQU5mR3pBK2tZaTFyeEJHbkl1dm9XeWc0cmJUc2RFbjFtT1cvYVVNYWVHU1h0cVBhbWVDTitTSG9tTEJYbVFValhIL04ydjJUUU9sNkljRzdIdVJRRGEzUG5TVGVON2xKOXp5TkxQMXB2NkhmZHlBKzlWYTJlRS9JMXJtOTQ2ZTRxT3ByN2V3bXVGQnVJOE5WOXRBSzM3LS1YaXJudWRzc0YydUVXZlk4MVB0WDZRPT0%3D--92e092bdf26ba4ca688f9f05ca9a08d2c541d1d0; path=/; secure; HttpOnly

Other Headers

Date

Other

Wed, 04 Nov 2026 12:19:49 GMT

Status

Other

200 OK

X-Request-Id

Other

822afd81-2a8d-4209-a701-b4ad215c4b8d

date: Wed, 04 Nov 2026 12:19:49 GMT
status: 200 OK
x-request-id: 822afd81-2a8d-4209-a701-b4ad215c4b8d

Recommendations

Enable compression (gzip/brotli) to improve performance

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