Open
Cached
·
just now
20
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31556926
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
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 X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
RSC, Next-Router-State-Tree, Next-Router-Prefetch, Next-Router-Segment-Prefetch, Accept-Encoding,cookie,need-authorization, x-fh-requested-host, accept-encoding
Caching Headers
2 headers
Cache-Control
Caching
private, no-cache, no-store, max-age=0, must-revalidate
Expires
Caching
Mon, 01 Dec 2025 12:14:11 GMT
Content Headers
2 headers
Content-Length
Content
26970
Content-Type
Content
text/html; charset=utf-8
Server Headers
2 headers
Server
Server
Google Frontend
X-Powered-By
Server
Next.js
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
NEXT_LOCALE=en; Path=/; Expires=Tue, 01 Dec 2026 12:14:11 GMT; Max-Age=31536000; SameSite=Lax
Other Headers
9 headers
Alt-Svc
Other
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Date
Other
Mon, 01 Dec 2025 12:14:11 GMT
Link
Other
<https://www.calculator-365.com/en>; rel="alternate"; hreflang="en", <https://www.calculator-365.com/zh>; rel="alternate"; hreflang="zh", <https://www.calculator-365.com/ja>; rel="alternate"; hreflang="ja", <https://www.calculator-365.com/>; rel="alternate"; hreflang="x-default",</_next/static/media/4cf2300e9c8272f7-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </app_logo.png>; rel=preload; as="image"
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Country-Code
Other
US
X-Middleware-Rewrite
Other
/en
X-Served-By
Other
cache-pdk-kfty8610096-PDK
X-Timer
Other
S1764591252.633355,VS0,VE196
Recommendations
Enable compression (gzip/brotli) to improve performance
Consider removing X-Powered-By header to hide server technology
Analysis completed in 553ms