DNS Gurus
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25 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
Good
nosniff
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 Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Age
Caching
107
Cache-Control
Caching
public, max-age=0, s-maxage=3600
Last-Modified
Caching
Sat, 22 Nov 2025 02:12:59 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

1 headers
Set-Cookie
Cookies
__cf_bm=l57PZLznUdN.RMB0QThgDc5hAl_iPIRgV9I09s3stjI-1763777687-1.0.1.1-1Y0MielfIP4ugvAAGt8pXHbJGhk3vFiZdKLuOnEQHZzlbeURaU7PJh5ZCP2sH7K3O06JIGudBvpYzogK_aQYfUxvu_D7bNe7YWtZH3fH7TA; path=/; expires=Sat, 22-Nov-25 02:44:47 GMT; domain=.fourdotzero.io; HttpOnly; Secure; SameSite=None

Other Headers

15 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cache-Tag
Other
6dc76caa-9061-40c8-8f38-e42224e0464e,3f686b0efd56a8df019b78b39e55143452467ff4ff13b57acafdac7fb7efcec1
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9a24ea523a7b0778-IAD
Date
Other
Sat, 22 Nov 2025 02:14:47 GMT
Ki-Cache-Tag
Other
6dc76caa-9061-40c8-8f38-e42224e0464e,3f686b0efd56a8df019b78b39e55143452467ff4ff13b57acafdac7fb7efcec1
Ki-Cache-Type
Other
Edge
Ki-Cf-Cache-Status
Other
HIT
Ki-Edge
Other
v=23.1.0;mv=5.0.17
Ki-Origin
Other
g1p
Link
Other
<https://fourdotzero.io/wp-json/>; rel="https://api.w.org/", <https://fourdotzero.io/wp-json/wp/v2/pages/9298>; rel="alternate"; title="JSON"; type="application/json", <https://fourdotzero.io/>; rel=shortlink
Nel
Other
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Report-To
Other
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Ao9yFKZ1rIF59bhfdCSFEa0QKbWOJVJdcpIQBzdqZ5Sa1YUz6LOylm6cngKUbTNI8C5PL1G8884EoZK9K0MRUlda0HS%2FTFHqf4yhstEbo8oAzDNdQCeHPte6Ay4OsrQl"}],"group":"cf-nel","max_age":604800}
X-Edge-Location-Klb
Other
1
X-Kinsta-Cache
Other
HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 232ms