indexo.dev

growthbook.io

.io toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 3928 ms crawled 2026-05-18

US · 18.238.243.61 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
GrowthBook | Experimentation, Feature Flags & Product Analytics Platform
Description
The 1st warehouse-native platform for experimentation, feature flags, and product analytics. Open source and fully transparent. Trusted by 3,000+ companies.
Language
en
Generator
Webflow
Canonical
https://www.growthbook.io

Open Graph

title
GrowthBook | Experimentation, Feature Flags & Product Analytics Platform
description
The 1st warehouse-native platform for experimentation, feature flags, and product analytics. Open source and fully transparent. Trusted by 3,000+ companies.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Third-party hosts loaded (7)
  • cdn.prod.website-files.com×121
  • cdn.jsdelivr.net×7
  • d3e54v103j8qbb.cloudfront.net×1
  • js-na1.hs-scripts.com×1
  • px.ads.linkedin.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns-1335.awsdns-38.org
  • ns-176.awsdns-22.com
  • ns-1834.awsdns-37.co.uk
  • ns-876.awsdns-45.net
MX
Show 6 MX records
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 15 hejjtgeaxm7klwyevnmqzoy5ptpclxlrk5ya4ym7b4hxlujdjoxq.mx-verification.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 6 TXT records
  • MS=ms63174900
  • OSSRH-77439
  • ca3-ab6f5f79d8054cd7ba6b094dd672d433
  • google-site-verification=4aAUYSkVSKkSQh-VS_o6uCgYz9c0nZTtEXzsWhVLCxQ
  • google-site-verification=Varnbn-_N00hrJRiOzrDcZwo_38xosL-3lNKcqjO_PM
  • stripe-verification=1a9b071bc35200679af1d32d9ae317cb1b8b61b403a3ce684936c870e370c6f7

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:sendgrid.net include:8863617.spf04.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPBkoVOVGk/74Ruo8BMGrQdaU+WfJdwMrsD6wF92BWAuGvcgxGo2npbZMkP3a3t+UwFQ65mey7SP0pYzEcZe…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7Qq08WmTaWa6lGLhuAN6uUwkL2WJrXaJifFrZ91sGjlhLsTX/xDWCXJCug4h5heNIRbeN9q+jP9GDGqV5e…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCi2qVKbXuKViu4xXf/oUxmZRIRMlxrUKIpqF8WDwAv4HoJDtZ79HLjIDAwiN/tCTYurha84LJT7gCTO+pnM8uETv…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2025-12-02 to 2026-12-31
Expires in 226 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.growthbook.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
findings
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (8)

Linked from (1)