Open
Cached
·
just now
24
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000
X-Frame-Options
Excellent
Deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
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
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
Connection
close
Transfer-Encoding
chunked
Vary
Accept, Accept-Encoding
connection: close transfer-encoding: chunked vary: Accept, Accept-Encoding
Caching Headers
Cache-Control
s-maxage=1800, stale-if-error=900
cache-control: s-maxage=1800, stale-if-error=900
Content Headers
Content-Language
en
Content-Type
text/html; charset=utf-8
content-language: en content-type: text/html; charset=utf-8
Server Headers
Server
cloudflare
server: cloudflare
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Alt-Svc
h3=":443"; ma=86400
Cf-Cache-Status
HIT
Cf-Ray
a07bc8a8693fc971-IAD
Date
Sun, 07 Jun 2026 01:11:37 GMT
Rndr-Id
7ff5ce1a-e857-4854
X-Dns-Prefetch-Control
off
X-Download-Options
noopen
X-Pjax-Url
/docs/introduction-to-sonar
X-Ratelimit-Limit
100
X-Ratelimit-Remaining
98
X-Ratelimit-Reset
1780794574
X-Render-Origin-Server
Render
alt-svc: h3=":443"; ma=86400 cf-cache-status: HIT cf-ray: a07bc8a8693fc971-IAD date: Sun, 07 Jun 2026 01:11:37 GMT rndr-id: 7ff5ce1a-e857-4854 x-dns-prefetch-control: off x-download-options: noopen x-pjax-url: /docs/introduction-to-sonar x-ratelimit-limit: 100 x-ratelimit-remaining: 98 x-ratelimit-reset: 1780794574 x-render-origin-server: Render
Recommendations
Enable compression (gzip/brotli) to improve performance