Optimizely Usage Statistics

Websites using Optimizely

Download Lead List

Get a list of 331,868 websites using Optimizely which includes location information, hosting data, contact details and more.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
972 of 10,000


Quantcast Top 100k
3,714 of 100,000


BuiltWith Top Million
13,783 of 943,013


Entire Internet
331,868 of 363,398,504


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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 51,991
New Relic 41,566

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 331,868 live websites using Optimizely in our records.

View Website List

Get a list of websites using Optimizely

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A/B Testing

Visual Website Optimizer

54,818 websites


40,486 websites

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Browse groups of technologies that we track.