HTTP Headers Analysis for https://www.split.io

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• 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

Transfer-Encoding

Performance

chunked

Vary

Performance

accept-encoding

connection: close
transfer-encoding: chunked
vary: accept-encoding

Caching Headers

Age

Caching

1104574

Last-Modified

Caching

Tue, 18 Aug 2026 08:09:35 GMT

age: 1104574
last-modified: Tue, 18 Aug 2026 08:09:35 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: _cfuvid=C.ay5pQNqn3f0_1tCGlYV7igtUTBRgV1sA4vSNHmhHI-1788145149.3765829-1.0.1.1-3VBowb.2KTNQF1seBje5GcMX8v7nQav7DRlhhKBL7sY; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.split.io

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

a338c70f9fbd5936-IAD

Date

Other

Mon, 31 Aug 2026 02:59:09 GMT

Surrogate-Control

Other

max-age=2147483647

Surrogate-Key

Other

www.split.io 67ae3e19f02bde9c0d1db1d2 pageId:68ca52308ea4f2467b6aef90

X-Lambda-Id

Other

032976b7-1563-45c9-9769-74f22cee433b

X-Wf-Region

Other

us-east-1

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: a338c70f9fbd5936-IAD
date: Mon, 31 Aug 2026 02:59:09 GMT
surrogate-control: max-age=2147483647
surrogate-key: www.split.io 67ae3e19f02bde9c0d1db1d2 pageId:68ca52308ea4f2467b6aef90
x-lambda-id: 032976b7-1563-45c9-9769-74f22cee433b
x-wf-region: us-east-1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching