DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

4 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding

Caching Headers

1 headers
Cache-Control
Caching
public, max-age=14400

Content Headers

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

Server Headers

2 headers
Server
Server
cloudflare
X-Runtime
Server
0.013552

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

9 headers
Cf-Cache-Status
Other
REVALIDATED
Cf-Ray
Other
9be070dfdcbd05aa-IAD
Date
Other
Wed, 14 Jan 2026 22:06:30 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=YlK4qNvLHbEUf6ONoTi%2FY9fmkSHy3BhDSI1wWiZYS%2BA%3D\u0026sid=67ff5de4-ad2b-4112-9289-cf96be89efed\u0026ts=1767968615"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=YlK4qNvLHbEUf6ONoTi%2FY9fmkSHy3BhDSI1wWiZYS%2BA%3D&sid=67ff5de4-ad2b-4112-9289-cf96be89efed&ts=1767968615"
Via
Other
1.1 heroku-router
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
cfe2a2e7-40da-62a4-0739-f722516141f9

Recommendations

Enable compression (gzip/brotli) to improve performance