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A/B testing
GrowthBook market share on brand websites
GrowthBook runs on <0.1% of brand websites in our sample (1 of 1,277). Market share by country, top sites using it and technologies it is paired with.
<0.1%
Share in UK brands
1 / 1,277
16
frequent companions
Google Tag Manager
By market
- UK brands<0.1%1
- United Kingdom<0.1%6
- Global<0.1%63
Trend
Often used with
- Google Tag ManagerTag managers78%×2
- CloudflareCDN63%×1.8
- jsDelivrCDN43%×4.9
- Tailwind CSSCSS frameworks38%×3.4
- Google FontsWeb fonts35%
- ReactWeb frameworks32%×2.6
- Next.jsWeb frameworks29%×2.8
- BootstrapCSS frameworks19%
- SwiperJavaScript libraries17%
- Cloudflare Bot ManagementSecurity & bot protection17%
Top sites using GrowthBook
| Tranco | Site | Also uses | Hosting |
|---|---|---|---|
| 35,700 | edfenergy.com | BootstrapAmazon CloudFrontDrupal 10DynatraceGoogle FontsGoogle Tag Manager | Amazon Web Services |
Our crawler: 1,277 sites · UK brands · updated 13 Nov 2026 · Methodology
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