HTTP Headers Analysis for https://comperly.com

Detected Technologies from Headers

See all in URL Inspect 2

Google Static File Front End

Next.js

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31556926

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

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

Vary

Performance

RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding,cookie,need-authorization, x-fh-requested-host, accept-encoding

accept-ranges: bytes
connection: close
vary: RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding,cookie,need-authorization, x-fh-requested-host, accept-encoding

Caching Headers

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

cache-control: private, no-cache, no-store, max-age=0, must-revalidate

Content Headers

Content-Length

Content

348366

Content-Type

Content

text/html; charset=utf-8

content-length: 348366
content-type: text/html; charset=utf-8

Server Headers

Server

Google Frontend

X-Powered-By

Server

Next.js

server: Google Frontend
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400

Date

Other

Thu, 30 Apr 2026 01:28:28 GMT

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Country-Code

Other

US

X-Served-By

Other

cache-ewr-kewr1740074-EWR

X-Timer

Other

S1777512505.233117,VS0,VE2893

alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
date: Thu, 30 Apr 2026 01:28:28 GMT
x-cache: MISS
x-cache-hits: 0
x-country-code: US
x-served-by: cache-ewr-kewr1740074-EWR
x-timer: S1777512505.233117,VS0,VE2893

Recommendations

Enable compression (gzip/brotli) to improve performance

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