HTTP Headers Analysis for https://assistant.seomonitor.com

Detected Technologies from Headers

See all in URL Inspect 3

Nginx

Ubuntu

Express

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Weak

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

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

no-cache, no-store, must-revalidate

Etag

Caching

W/"308-19e21ecc0ec"

Last-Modified

Caching

Wed, 13 May 2026 15:20:24 GMT

cache-control: no-cache, no-store, must-revalidate
etag: W/"308-19e21ecc0ec"
last-modified: Wed, 13 May 2026 15:20:24 GMT

Content Headers

Content-Length

Content

776

Content-Type

Content

text/html; charset=UTF-8

content-length: 776
content-type: text/html; charset=UTF-8

Server Headers

Server

nginx/1.24.0 (Ubuntu)

X-Powered-By

Server

Express

server: nginx/1.24.0 (Ubuntu)
x-powered-by: Express

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Sat, 16 May 2026 10:18:38 GMT

date: Sat, 16 May 2026 10:18:38 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

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