DNS Gurus
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20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; style-src; +7 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • 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
accept-encoding

Caching Headers

2 headers
Age
Caching
290322
Last-Modified
Caching
Fri, 09 Jan 2026 18:34:43 GMT

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=5NE6yR2Sav0RLQHBDXGm03IqgteqSY0G9FAoTt3eMQw-1768274006436-0.0.1.1-604800000; path=/; domain=.www.optirtc.com; HttpOnly; Secure; SameSite=None

Other Headers

8 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9bd1b7bbff1339ac-IAD
Date
Other
Tue, 13 Jan 2026 03:13:26 GMT
Feature-Policy
Other
accelerometer 'none'; autoplay 'self'; camera 'none'; geolocation 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; payment 'none'; usb 'none'; fullscreen 'self'; sync-xhr 'self'; picture-in-picture 'self'; web-share 'self'
Surrogate-Control
Other
max-age=2147483647
Surrogate-Key
Other
www.optirtc.com 6462148fc700566da575f2dd pageId:6836144d2ebee597cfb06887
X-Lambda-Id
Other
12bf650f-fc93-4257-8c9e-095d7122feb1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching