DNS Gurus
Cached · just now
22 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=631138519; includeSubdomains
Content-Security-Policy
Good
default-src; img-src; script-src; +7 more
X-Frame-Options
Good
SAMEORIGIN
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
  • • Strengthen CSP by removing 'unsafe-eval'
  • • 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

1 headers
Cache-Control
Caching
no-cache, no-store, max-age=0

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare envoy

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=HNe537yB_7RgkCN26Ypfk1tA87Rt0TKlnodmVpUn7F4-1768500733.8688772-1.0.1.1-.xccu8PZ0v9A.l.NbDKmBDi_Z6EHzLnqJ37VoTjlrOjsz5AyaaMAYQ5jFXpItAxNrjEZnXTHMLPZCXDwdSnOD3fqfq8clOnErwIk8oZ9ThheuoJMJ9yUT8d6flcqoygH; HttpOnly; Secure; Path=/; Domain=twitter.com; Expires=Thu, 15 Jan 2026 18:42:13 GMT

Other Headers

10 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9be75712ac59d654-IAD
Date
Other
Thu, 15 Jan 2026 18:12:13 GMT
Origin-Cf-Ray
Other
9be75712ac59d654-IAD
Perf
Other
7402827104
Timing-Allow-Origin
Other
https://twitter.com, https://mobile.twitter.com
X-Response-Time
Other
7
X-Served-By
Other
t4_a
X-Transaction
Other
e86d7940c2064d8a
X-Transaction-Id
Other
e86d7940c2064d8a

Recommendations

Enable compression (gzip/brotli) to improve performance