HTTP Headers Analysis for https://staging.screenful.com

Detected Technologies from Headers

See all in URL Inspect 12

AWS

Crisp

Google Fonts

Google Static File Front End

Heroku

jQuery

jsDelivr

New Relic

PostHog

Sentry

Express

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; frame-ancestors; worker-src; +11 more 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

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• 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

Connection

Performance

close

Vary

Performance

Origin

connection: close
vary: Origin

Caching Headers

Etag

Caching

W/"2088-qrJS14VtBx0aD1fcWoZfwf1e924"

etag: W/"2088-qrJS14VtBx0aD1fcWoZfwf1e924"

Content Headers

Content-Length

Content

8328

Content-Type

Content

text/html; charset=utf-8

content-length: 8328
content-type: text/html; charset=utf-8

Server Headers

Server

Heroku

X-Powered-By

Server

Express

server: Heroku
x-powered-by: Express

CORS Headers

Access-Control-Allow-Origin

Cors

https://trello.com

access-control-allow-origin: https://trello.com

Cookies Headers

Set-Cookie

Cookies

set-cookie: heroku-session-affinity=Q38DAQERU3RpY2t5U2Vzc2lvbkRhdGEB/4AAAQMBBUFwcElEAQwAAQhEeW5vTmFtZQEMAAEJRHlub0NvdW50AQQAAAAM/4ACBXdlYi4xAQIARMPRiGUYPESFILe+D/Zb99ZRg5hULdX5K5efJpGPuro=

Other Headers

Date

Other

Fri, 08 May 2026 02:00:59 GMT

Nel

Other

Report-To Group heroku-nel max-age: 1h

success: 1.0% failure: 10.0%

Report-To

Other

Group heroku-nel max-age: 1h

Endpoint 1 https://nel.heroku.com/reports?s=ZfZs5NG3%2B1PgDQQJ6V5n8iUciaQkD6GM9sbSoK5nLH4%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1778205659

Reporting-Endpoints

Other

heroku-nel="https://nel.heroku.com/reports?s=ZfZs5NG3%2B1PgDQQJ6V5n8iUciaQkD6GM9sbSoK5nLH4%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1778205659"

Via

Other

1.1 heroku-router

date: Fri, 08 May 2026 02:00:59 GMT
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=ZfZs5NG3%2B1PgDQQJ6V5n8iUciaQkD6GM9sbSoK5nLH4%3D\u0026sid=812dcc77-0bd0-43b1-a5f1-b25750382959\u0026ts=1778205659"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=ZfZs5NG3%2B1PgDQQJ6V5n8iUciaQkD6GM9sbSoK5nLH4%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1778205659"
via: 1.1 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

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