DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=631138519; includeSubdomains
Content-Security-Policy
Strong
default-src; script-src; object-src; +2 more
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

2 headers
Connection
Performance
close
Vary
Performance
origin

Caching Headers

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

Content Headers

1 headers
Content-Length
Content
0

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=FTyqgbq.VR0moekr.ai9nvS6t6pZmVUR7YuUSNuxLPA-1768861167.8600402-1.0.1.1-fzDIaIAahqMCF5jBgpBdrMUYeNxDQNSV_93W4L6uYztPL5OvhhSV8QpSBR1NpU2C2xFBHuZfxokIDywx6KFlavsEKvbNMyGdWifKD003VL5xqxfGd5vDt_jaYuPMYYeW; HttpOnly; Secure; Path=/; Domain=twitter.com; Expires=Mon, 19 Jan 2026 22:49:27 GMT

Other Headers

9 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c09b6bb1c3857ae-IAD
Date
Other
Mon, 19 Jan 2026 22:19:27 GMT
Origin-Cf-Ray
Other
9c09b6bb1c3857ae-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-Id
Other
6b24496add086c28

Recommendations

Enable compression (gzip/brotli) to improve performance