HTTP Headers Analysis for https://cards-frame.twitter.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare CDN

Envoy

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=631138519; includeSubdomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

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 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

Connection

Performance

close

connection: close

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0

cache-control: no-cache, no-store, max-age=0

Content Headers

Content-Length

Content

0

content-length: 0

Server Headers

Server

cloudflare envoy

server: cloudflare envoy

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __cf_bm=fmeke3nuWEz0ixdLX1lqwxuLwaD9euizcQZVFwT9xlA-1771867619.8818529-1.0.1.1-NyMbYdeq9DokVd.PEFnFSyfoqSWQ5oEbFr8yboue_mlenbE4nmFgpxMkCgUyQvmj9hLeGLEnrh5lnTtJu_6H.xcBwzu.XRmCz4rCKgoGGb0lqHe_6ravPdZDRetNOlTo; HttpOnly; Secure; Path=/; Domain=twitter.com; Expires=Mon, 23 Feb 2026 17:56:59 GMT

Other Headers

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9d286e704eb6343f-IAD

Date

Other

Mon, 23 Feb 2026 17:26:59 GMT

Origin-Cf-Ray

Other

9d286e704eb6343f-IAD

Perf

Other

7402827104

X-Response-Time

Other

1

X-Served-By

Other

t4_a

X-Transaction-Id

Other

facf2dfaefc993c1

cf-cache-status: DYNAMIC
cf-ray: 9d286e704eb6343f-IAD
date: Mon, 23 Feb 2026 17:26:59 GMT
origin-cf-ray: 9d286e704eb6343f-IAD
perf: 7402827104
x-response-time: 1
x-served-by: t4_a
x-transaction-id: facf2dfaefc993c1

Recommendations

Enable compression (gzip/brotli) to improve performance