Optimizely Usage Statistics

Websites using Optimizely

Download Lead List

Get a list of 1,137,677 websites using Optimizely which includes location information, hosting data, contact details, 395,096 currently live websites and 742,581 sites that used this technology previously.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
874 of 10,000


Quantcast Top 100k
3,388 of 100,000


BuiltWith Top Million
11,471 of 793,950


Entire Internet
395,096 of 374,453,466


Log in or Sign up for Free to see Optimizely history back another year to November 2015. View plans for historical access back to October 2010.

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 Analytics 44,008
New Relic 22,248

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.

Get access to data on 1,137,677 websites that have used Optimizely. We know of 395,096 live websites using Optimizely and an additional 742,581 sites that used Optimizely historically

View Website List

Get a list of websites using Optimizely

Pro Screenshot

A/B Testing

Visual Website Optimizer

85,698 websites

Google Optimize 360

36,654 websites


63,157 websites

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Browse groups of technologies that we track.