DNS Gurus
Cached · just now
25 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2592000;
Content-Security-Policy
Weak
frame-ancestors; upgrade-insecure-requests
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Significantly strengthen CSP directives
  • • 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
X-Epic-Device-Type,X-Epic-Flag-Variants,Accept-Encoding

Caching Headers

2 headers
Age
Caching
513
Cache-Control
Caching
private

Content Headers

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

Server Headers

2 headers
Server
Server
nginx
X-Runtime
Server
1.152997

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

12 headers
Content-Security-Policy-Report-Only
Other
block-all-mixed-content; report-uri https://blog.hatena.ne.jp/api/csp_report
Date
Other
Thu, 18 Dec 2025 20:19:50 GMT
P3p
Other
CP="OTI CUR OUR BUS STA"
Via
Other
1.1 ip-10-1-23-217.ap-northeast-1.compute.internal (Varnish/7.6), 1.1 19818f9265689e7f5cbb430f8edbe402.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
0DWUZ8EGplvvU9eM6kv2vmU_mkcp1vS67Nx5N9OgwZ90zMdULidbpA==
X-Amz-Cf-Pop
Other
IAD55-P5
X-Cache
Other
Miss from cloudfront
X-Cache-Only-Varnish
Other
1
X-Dispatch
Other
Hatena::Epic::Web::Global::Index#index
X-Proxy-Revision
Other
884471c8638ac98dd749242a736698daeb0467a0
X-Revision
Other
884471c8638ac98dd749242a736698
X-Varnish
Other
9022600 12356582

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 1546ms