DNS Gurus
Cached · just now
13 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
Apache

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Tue, 13 Jan 2026 22:10:30 GMT
Link
Other
<https://www.oitr.jp/wp-json/>; rel="https://api.w.org/", <https://www.oitr.jp/wp-json/wp/v2/pages/14>; rel="alternate"; title="JSON"; type="application/json", <https://www.oitr.jp/>; rel=shortlink
Via
Other
1.1 cf7e8b3887a490b60a55be14eb004b54.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
-PrigK0cO3C2u9R7ky38Hoc_agTdMKcsjzZySor2NIZSZRgbe3fpjQ==
X-Amz-Cf-Pop
Other
IAD55-P5
X-Cache
Other
Miss from cloudfront
X-Dns-Prefetch-Control
Other
on
X-Litespeed-Tag
Other
11f_front,11f_URL.6666cd76f96956469e7be39d750cc7d9,11f_F,11f_Po.14,11f_PGS,11f_guest,11f_,11f_MIN.1008a81a512f44c24d06fdaf472ed158.css,11f_MIN.3c8d6d3d7e7ecb59be7fb653779fda36.js

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching