HTTP Headers Analysis for https://app.puzzel.com

Detected Technologies from Headers

See all in URL Inspect 3

Google Fonts

Nginx

PostHog

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Basic

default-src; worker-src; img-src; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

fullscreen=(*)

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Improve CSP by adding more specific directives and removing 'unsafe-inline'

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

accept-ranges: bytes
connection: close

Caching Headers

Cache-Control

Caching

no-store, no-cache

Etag

Caching

"1dcc11be8e6dba1"

Expires

Caching

-1

Last-Modified

Caching

Tue, 31 Mar 2026 14:37:33 GMT

cache-control: no-store, no-cache
etag: "1dcc11be8e6dba1"
expires: -1
last-modified: Tue, 31 Mar 2026 14:37:33 GMT

Content Headers

Content-Length

Content

12065

Content-Type

Content

text/html

content-length: 12065
content-type: text/html

Server Headers

Server

nginx

server: nginx

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 07 Apr 2026 14:38:04 GMT

Origin-Agent-Cluster

Other

?0

date: Tue, 07 Apr 2026 14:38:04 GMT
origin-agent-cluster: ?0

Recommendations

Enable compression (gzip/brotli) to improve performance