Open
Cached
·
just now
23
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-Encoding
connection: close transfer-encoding: chunked vary: Accept-Encoding
Caching Headers
Cache-Control
s-maxage=900, stale-if-error=900
cache-control: s-maxage=900, stale-if-error=900
Content Headers
Content-Language
en, zh-CN
Content-Type
text/html; charset=utf-8
content-language: en, zh-CN content-type: text/html; charset=utf-8
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Alt-Svc
h3=":443"; ma=86400
Date
Tue, 28 Apr 2026 13:10:28 GMT
X-Dns-Prefetch-Control
off
X-Download-Options
noopen
X-Ratelimit-Limit
100
X-Ratelimit-Remaining
99
X-Ratelimit-Reset
1777381677
alt-svc: h3=":443"; ma=86400 cf-cache-status: HIT cf-ray: 9f364ead7f115187-IAD date: Tue, 28 Apr 2026 13:10:28 GMT rndr-id: 15b015a7-fb46-49da x-dns-prefetch-control: off x-download-options: noopen x-ratelimit-limit: 100 x-ratelimit-remaining: 99 x-ratelimit-reset: 1777381677 x-render-origin-server: Render
Recommendations
Enable compression (gzip/brotli) to improve performance