Optimizely Usage Statistics

Websites using Optimizely

Download Lead List

Get a list of 331,391 websites using Optimizely which includes location information, hosting data, contact details and more.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1,024 of 10,000


Quantcast Top 100k
3,937 of 100,000


BuiltWith Top Million
13,395 of 938,977


Entire Internet
331,391 of 363,393,461


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Optimizely empowers companies to deliver more relevant and effective digital experiences on websites and mobile through A/B testing and personalization.


Categories: Analytics and Tracking · A/B Testing · Conversion Optimization · Personalization · Site Optimization

Technology Won
Google Conversion Tracking 20,262
Keen IO 17,770

This table shows where Optimizely are gaining/losing customers from within the technologies in the same sub-categories of A/B Testing, Conversion Optimization, Personalization and Site Optimization. View the full report for more information regarding countries, states and where Optimizely's customers come from.

Physical locations of businesses using Optimizely.


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

We know of 331,391 live websites using Optimizely in our records.

View Website List

Get a list of websites using Optimizely

Pro Screenshot

A/B Testing

Visual Website Optimizer

54,703 websites


40,459 websites

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Browse groups of technologies that we track.