Optimizely Usage Statistics

Websites using Optimizely


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

Quantcast Top 10k
655 of 10,000


Quantcast Top 100k
2,537 of 100,000


Quantcast Top Million
8,833 of 872,343


BuiltWith Top Sites
16,673 of 1,789,401


Premium Sites
241,461 of 11,520,491


Entire Internet
379,043 of 328,846,884


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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
Google Analytics 12,413
comScore 12,174

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 379,043 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

49,659 websites


33,837 websites

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Browse groups of technologies that we track.