Open
Cached
·
just now
15
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
unload=()
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
Performance Headers
4 headers
Accept-Ranges
Performance
none
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
3 headers
Age
Caching
0
Cache-Control
Caching
private, no-cache, must-revalidate
Expires
Caching
-1
Content Headers
1 headers
Content-Type
Content
text/html; charset=UTF-8
Server Headers
0 headers
No server headers found
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
XB=90d2f80c-ca99-11f0-853e-89ad9bdb7e28&v=6&u=1764142135&s=t4; expires=Sat, 27 Nov 2027 07:28:55 GMT; path=/; domain=.yahoo.co.jp; secure; samesite=none
Other Headers
2 headers
Accept-Ch
Other
Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Arch
Date
Other
Wed, 26 Nov 2025 07:28:55 GMT
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 3002ms