DNS Gurus
Cached · just now
23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
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
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding

Caching Headers

2 headers
Age
Caching
1335276
Cache-Control
Caching
public, max-age=0, must-revalidate

Content Headers

2 headers
Content-Disposition
Content
inline
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

1 headers
Set-Cookie
Cookies
NEXT_LOCALE=en; Path=/; Expires=Sat, 23 Jan 2027 19:56:03 GMT; Max-Age=31536000; SameSite=lax

Other Headers

12 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c29da2b3e37e611-IAD
Date
Other
Fri, 23 Jan 2026 19:56:03 GMT
Link
Other
<https://testarchitect.com/ja>; rel="alternate"; hreflang="ja", <https://testarchitect.com/>; rel="alternate"; hreflang="en", <https://testarchitect.com/>; rel="alternate"; hreflang="x-default"
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=seXcKOhTgxwIJv7A1ASO31JT%2BAJgo2d%2FNS7C%2BlLkAUztH5PlAwu1R0aps4S1kMUObRUpR1zGa4LZz2WV0g%2Bfkj%2B6rTb5t2KlOeRfPCJ5e7s%3D"}]}
Server-Timing
Other
cfEdge;dur=10,cfOrigin;dur=48
X-Matched-Path
Other
/en
X-Nextjs-Prerender
Other
1
X-Nextjs-Stale-Time
Other
4294967294
X-Vercel-Cache
Other
HIT
X-Vercel-Id
Other
iad1::jp58f-1769198163741-75028c0c2fec

Recommendations

Enable compression (gzip/brotli) to improve performance