Cached · just now
20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; script-src-elem; +6 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges
Performance
bytes
Connection
Performance
close

Caching Headers

Age
Caching
222559
Cache-Control
Caching
public, max-age=0, must-revalidate
Etag
Caching
"ed6d8ec47e9151f89e58cc5f91e87556"
Last-Modified
Caching
Wed, 29 Jul 2026 13:47:42 GMT

Content Headers

Content-Disposition
Content
inline; filename="zh"
Content-Length
Content
76899
Content-Type
Content
text/html; charset=utf-8

Server Headers

Server
Server
Vercel

CORS Headers

Access-Control-Allow-Origin
Cors
*

Cookies Headers

No cookies headers found

Other Headers

Date
Other
Sat, 01 Aug 2026 03:37:02 GMT
X-Vercel-Cache
Other
HIT
X-Vercel-Id
Other
iad1::gwcnm-1785555422362-2a511ae407a4

Recommendations

Enable compression (gzip/brotli) to improve performance