HTTP Headers Analysis for https://demo.optable.co

Detected Technologies from Headers

See all in URL Inspect 1

Nginx

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• 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

Etag

Caching

"6a22e44f-24a9"

Last-Modified

Caching

Fri, 05 Jun 2026 14:59:27 GMT

etag: "6a22e44f-24a9"
last-modified: Fri, 05 Jun 2026 14:59:27 GMT

Content Headers

Content-Length

Content

9385

Content-Type

Content

text/html

content-length: 9385
content-type: text/html

Server Headers

Server

nginx/1.20.2

server: nginx/1.20.2

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Ad-Auction-Allowed

Other

true

Alt-Svc

Other

h3=":443"; ma=2592000

Date

Other

Sat, 15 Aug 2026 11:15:06 GMT

Supports-Loading-Mode

Other

fenced-frame

Via

Other

1.1 google

ad-auction-allowed: true
alt-svc: h3=":443"; ma=2592000
date: Sat, 15 Aug 2026 11:15:06 GMT
supports-loading-mode: fenced-frame
via: 1.1 google

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching