Optimizely Usage Statistics

Websites using Optimizely


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

Quantcast Top 10k
674 of 10,000


Quantcast Top 100k
2,528 of 100,000


Quantcast Top Million
8,741 of 876,801


BuiltWith Top Sites
16,530 of 1,794,580


Entire Internet
378,900 of 328,852,063


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Optimizely is a way for you to improve your website through A/B testing.


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

Technology Won
New Relic 11,730
Google Analytics 10,804

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.

USA    United Kingdom    Canada    France    Germany    Italy    Australia


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 378,900 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

49,359 websites


33,865 websites

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Browse groups of technologies that we track.