DNS Gurus
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17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Vary
Performance
Cookie, origin

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
13361
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Heroku

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
csrftoken=E7ZG7Y3hssvQhhzY9FjbVoDAta3QpAu0; expires=Tue, 05 Jan 2027 15:07:05 GMT; Max-Age=31449600; Path=/; SameSite=Lax; Secure

Other Headers

6 headers
Date
Other
Tue, 06 Jan 2026 15:07:05 GMT
Nel
Other
{"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To
Other
{"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=BSojWtUk4n5wqE5iWBgvPuimV1iKCdaCW8HUXm%2FJizg%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1767712025"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=BSojWtUk4n5wqE5iWBgvPuimV1iKCdaCW8HUXm%2FJizg%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1767712025"
Via
Other
1.1 heroku-router
X-Client-Version
Other
9

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching