DNS Gurus
Cached · just now
16 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

4 headers
Age
Caching
2608
Cache-Control
Caching
public, max-age=0, s-maxage=2592000
Expires
Caching
Thu, 29 Jan 2026 00:50:36 GMT
Last-Modified
Caching
Sun, 28 Dec 2025 23:24:55 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9b554ddf78df81be-IAD
Date
Other
Mon, 29 Dec 2025 00:50:36 GMT
Link
Other
<https://ostraining.com/wp-json/>; rel="https://api.w.org/", <https://ostraining.com/wp-json/wp/v2/pages/24725>; rel="alternate"; type="application/json", <https://ostraining.com/>; rel=shortlink
X-Cache-Status
Other
HIT
X-Skip-Cache
Other
0

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 141ms