HTTP Headers Analysis for https://www.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/"dd1f3580dbfb8820ddad44bb1feb9387"

cache-control: max-age=0, private, must-revalidate
etag: W/"dd1f3580dbfb8820ddad44bb1feb9387"

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

0.017948

server: nginx + Phusion Passenger(R) 6.2.1
x-powered-by: Phusion Passenger(R) 6.2.1
x-runtime: 0.017948

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: _mark_session=UmQxOGZDaEt1WUVkZHFEWFZhUW5IYmdyUmVSTlBJc0NlSmdRUUpMaUNRTDBMMUNnUWtHWjNZSHI5djNqWS9oNjNxTmNxdjdzUnJCeDZqS1VoSHhramFBOWRtRThYNlljaFh3ZG9LWkpmN2tERDV5ZUV4cHZoT3RUcndQdjhLVE40RE10WVZzak1qdDhENkp6eE1pQ2tuay9IdDNnY0JTYjZneWtnRytFOWZHNE1PTkdBVWtPYlZXNVFGVy9PUmt6LS1zZEJpWUMxRGlPbS94azZFYkFjdGpBPT0%3D--1393b300a590868d8ce64396dc5a5135fa4b03ce; path=/; secure; HttpOnly

Other Headers

Date

Other

Thu, 05 Nov 2026 18:24:36 GMT

Status

Other

200 OK

X-Request-Id

Other

4486ad02-6bf2-4d10-8207-dd59f7b55902

date: Thu, 05 Nov 2026 18:24:36 GMT
status: 200 OK
x-request-id: 4486ad02-6bf2-4d10-8207-dd59f7b55902

Recommendations

Enable compression (gzip/brotli) to improve performance

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