Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.
Get all 4,301 companies using Optimizely
CSV with domain, country, industry, employees, funding, socials. Delivered by email.
Companies
4,301
Top Country
US
Top Industry
Automotive
Adoption Insights
Optimizely is used by 4,301 companies in our database, representing approximately 0.15% of all tracked websites. The most common industry using Optimizely is Automotive, and adoption is strongest in US.
Top Countries Using Optimizely
Top Industries Using Optimizely
Companies Using Optimizely
| Company | Domain | Country | Industry | Employees |
|---|---|---|---|---|
 Checkout.com | checkout.com | GB | FinTech | 1001-5000 |
 Upgrade | upgrade.com | US | Banking | 1001-5000 |
 Wasabi Technologies | wasabi.com | US | Cloud Data Services | 251-500 |
 Solace | solace.health | US | Health Care | 251-500 |
 UiPath | uipath.com | US | Agentic AI | 1001-5000 |
 Breakthrough T1D | breakthrought1d.org | US | Non Profit | 501-1000 |
 Intapp | intapp.com | US | Business Development | 1001-5000 |
 Avant | avant.com | US | Consumer Lending | 501-1000 |
 Hone Health | honehealth.com | US | Health Care | 11-50 |
 Huntress | huntress.com | US | Cyber Security | 501-1000 |
Top Alternatives to Optimizely
Other A/B Testing technologies sorted by adoption
How We Detect Optimizely
The Web Radar detects Optimizely by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →
Frequently Asked Questions
What is Optimizely?+
Optimizely is an experimentation platform that helps developers build and run A/B tests on websites.
How many companies use Optimizely?+
4,301 companies in our database use Optimizely, representing approximately 0.15% of all tracked websites.
What industries use Optimizely the most?+
The top industries using Optimizely are Automotive, Dental, E-Commerce.
What countries use Optimizely the most?+
The top countries using Optimizely are US, AU, GB.
Is Optimizely popular?+
Optimizely is used by 4,301 companies, making it one of the most widely adopted A/B Testing technology based on adoption across our tracked websites.
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Browse DatasetsData last updated: July 2026