growthbook.io
growthbook.io is ranked #4,206 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 32 places in four weeks. The domain was registered on May 19, 2020, 6 years, 4 months ago, through GoDaddy.com, LLC, and is paid up until May 19, 2027. Its homepage uses Webflow, Google Analytics and Google Tag Manager. It is served through Cloudflare, jsDelivr and unpkg.
Popularity rank
#4,206 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #3,998.
Domain registration
- Registered
- May 19, 2020 (6 years, 4 months ago)
- Expires
- May 19, 2027
- Registrar
- GoDaddy.com, LLC
- Name servers
ns-1834.awsdns-37.co.uk,ns-176.awsdns-22.com,ns-876.awsdns-45.net,ns-1335.awsdns-38.org- DNSSEC
- Not signed
From the registry's public RDAP record, checked Oct 14, 2026.
Technology stack
Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.
Homepage SEO check
Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.
20 passed · 3 warnings · 0 failed
Content
- !Title72 characters — aim for 15–65
- ✓Meta description156 characters
- ✓H1 headingExactly one H1
- ✓Subheadings8 H2 headings
- ✓Image alt textAll 114 images have alt text
- ✓Content lengthAbout 1,670 words
Indexing
- ✓IndexableNo noindex directive
- ✓Canonical URLhttps://www.growthbook.io
- ✓robots.txtFound
- ✓XML sitemapFound
- ✓Language attributeen
- ✓Structured dataSoftwareApplication
Social sharing
- ✓Open GraphTitle, description and image set
- ✓Twitter / X cardsummary_large_image
Technical
- ✓HTTPSServed over HTTPS
- ✓Mobile viewportFound
- ✓FaviconFound
- ✓Character encodingutf-8
Security headers
- ✓Strict-Transport-SecuritySet
- ✓Content-Security-PolicySet
- ✓Clickjacking protectionSet
- !X-Content-Type-OptionsNot set
- !Referrer-PolicyNot set
Server response
- Final URL
https://www.growthbook.io/- HTTP status
- 200
- Server
cloudflare- Response time
- 7.19 s (first byte 7.18 s, from our scanner in a US data centre)
- HTML size
- 186 KB
- Compression
- gzip
Sites with a similar tech stack
| Rank | Website |
|---|---|
| #4,013 | rokt.com |
| #5,314 | bill.com |
| #775 | gumgum.com |
| #2,972 | grindr.com |
| #6,476 | tecnoera.com |
| #8,849 | pestpac.com |
Sites ranked near growthbook.io
| Rank | Website | Registered |
|---|---|---|
| #4,201 | radiofrance.fr | 1999 |
| #4,202 | abtasty.com | 2011 |
| #4,203 | usf.edu | — |
| #4,204 | derstandard.at | — |
| #4,205 | 58.com | 1998 |
| #4,207 | leetcode.com | 2010 |
| #4,208 | global-e.com | 2007 |
| #4,209 | 1capp.com | 2010 |
| #4,210 | bngf.ru | — |
| #4,211 | easyjet.com | 1997 |
Questions about growthbook.io
How popular is growthbook.io?
growthbook.io is #4,206 worldwide in the Tranco list published Oct 13, 2026.
How old is growthbook.io?
growthbook.io was registered on May 19, 2020, which makes the domain 6 years, 4 months old.
What is growthbook.io built with?
We detected Webflow, Google Analytics, Google Tag Manager, Cloudflare, jsDelivr and unpkg on its homepage.
Who is the registrar of growthbook.io?
GoDaddy.com, LLC, according to the registry's RDAP record.