HTTP Headers Analysis for https://app.zoominfo.com

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare CDN

Envoy

Google Cloud Storage

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; 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

Good

nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Present

geolocation=(self), microphone=(*), camera=(*)

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Origin, accept-encoding

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

Caching Headers

Age

Caching

275

Cache-Control

Caching

no-cache, no-store

Expires

Caching

Wed, 25 Feb 2026 23:36:31 GMT

Last-Modified

Caching

Tue, 24 Feb 2026 11:51:20 GMT

Pragma

Caching

no-cache

age: 275
cache-control: no-cache, no-store
expires: Wed, 25 Feb 2026 23:36:31 GMT
last-modified: Tue, 24 Feb 2026 11:51:20 GMT
pragma: no-cache

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: zi-ingress-version=rc-caipirinha-feb-23-2cb3847-46970; HttpOnly; Secure; SameSite=Strict;
_cfuvid=JbnwOyd9wOXEKXSmJTU7YrLUNwByHSTct6PIyESgJzQ-1772059266591-0.0.1.1-604800000; path=/; domain=.zoominfo.com; HttpOnly; Secure; SameSite=None

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9d3ab54f9dc505fc-IAD

Date

Other

Wed, 25 Feb 2026 22:41:06 GMT

Via

Other

1.1 google

X-Envoy-Upstream-Service-Time

Other

34

X-Goog-Generation

Other

1771933880901635

X-Goog-Hash

Other

crc32c=RHGujQ==, md5=Cdp9Miz9IFeuNxVPQKBsoQ==

X-Goog-Metageneration

Other

1

X-Goog-Storage-Class

Other

STANDARD

X-Goog-Stored-Content-Encoding

Other

identity

X-Goog-Stored-Content-Length

Other

37979

X-Guploader-Uploadid

Other

AGQBYWzx9DjdWM2IxiOND74WDFKHEVwvz_XdAV6NVSTuYnVAlu5o7YrIIaz4ogwPhQs6i00

Zi-Ingress-Version

Other

rc-caipirinha-feb-23-2cb3847-46970

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9d3ab54f9dc505fc-IAD
date: Wed, 25 Feb 2026 22:41:06 GMT
via: 1.1 google
x-envoy-upstream-service-time: 34
x-goog-generation: 1771933880901635
x-goog-hash: crc32c=RHGujQ==, md5=Cdp9Miz9IFeuNxVPQKBsoQ==
x-goog-metageneration: 1
x-goog-storage-class: STANDARD
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 37979
x-guploader-uploadid: AGQBYWzx9DjdWM2IxiOND74WDFKHEVwvz_XdAV6NVSTuYnVAlu5o7YrIIaz4ogwPhQs6i00
zi-ingress-version: rc-caipirinha-feb-23-2cb3847-46970

Recommendations

Enable compression (gzip/brotli) to improve performance