22 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Basic
default-src; child-src; connect-src; +8 more
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Origin

Caching Headers

1 headers
Cache-Control
Caching
max-age=0, private, must-revalidate

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
cloudflare
X-Runtime
Server
0.521102

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_gumroad_app_session=3uofmncoeSME0iNshSzptZhIOrYl1EbSazkICJgLimuBMRrWhM%2B8KshfsgqMRSycebE9hPlHOLQMoM2%2BG82N0s6yBL142g2Tym3Cp%2BFHtBjuTYmKiK%2BtN5ceoJg%2Fs3PDML8%2FgtdJ%2BdP3e34m2ySgWS0ZuMw7t7X2SA%2BkpAqBvoCMRdUpAaQhvAlDMPkWMz0DutsJfViHvNt9iDiVqcrf1czcRRA%2BF9FIiDS00Bch5ZDwkx5dIWbXhUgEOhdxwmyhKorgYpY3Dx23vHWOxeO9F9gBf1ccHwyOdVekbGwt4b74xH2XFJ5rc%2BgIMb5Rksb5j87sDrnOgJnxAS70mFJ%2FDV2oLykvgoQfG%2F9%2FyL2%2F4pLyoVCn788E2qRqbEFErA%3D%3D--1LdTZ83%2BhFkQB3vP--4lcZxgEfxJ6Xbe3ink9iJg%3D%3D; domain=gumroad.com; path=/; expires=Sat, 31 Jan 2026 08:10:27 GMT; secure; httponly; samesite=lax

Other Headers

11 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b684cf0ed308220-IAD
Date
Other
Wed, 31 Dec 2025 08:10:27 GMT
Link
Other
<https://assets.gumroad.com/packs/css/design-04391acc.css>; rel=preload; as=style; crossorigin=anonymous; nopush,<https://assets.gumroad.com/assets/application-cbf244e9109e70d7b04497041636f00173a1e588f9b879b3a3ef11f8dfb86e5c.js>; rel=preload; as=script; nopush
X-Download-Options
Other
noopen
X-Gr
Other
PROD
X-Original-Headers-Class
Other
Rack::Headers
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
d29c44ad-b901-4257-8acf-1dbededec644
X-Revision
Other
8a022033efe2

Recommendations

Enable compression (gzip/brotli) to improve performance