DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
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
Present
geolocation=(self 'https://blog.devart.com'), microphone=()
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Add Content-Security-Policy header to prevent XSS attacks

Performance Headers

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

Caching Headers

1 headers
Last-Modified
Caching
Thu, 08 Jan 2026 11:18:59 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

6 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bab58d16f0efe38-IAD
Date
Other
Thu, 08 Jan 2026 11:27:39 GMT
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=179jbrcvN1ybxk3sn8rsn9wdZut0K8O3S9hz3MYUQxg3W3nLrjd%2BXfEF9U0gSpakbNAdJyJwaWkcXSn3kogIvxfIf%2FdAxXIiOzeN0LnC"}]}
Speculation-Rules
Other
"/cdn-cgi/speculation"

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching