Optimizely Usage Statistics

Websites using Optimizely

Download Lead List

Get a list of 285,334 live websites using Optimizely which includes location information, hosting data, contact details and an additional 478,335 sites that used this technology in the past.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1,035 of 10,000


Quantcast Top 100k
3,916 of 100,000


BuiltWith Top Million
11,250 of 949,318


Entire Internet
266,752 of 348,406,985


Log in or Sign up for Free to see Optimizely history back another year to November 2013. View plans for historical access back to October 2010.

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 24,922
Keen IO 16,940

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.

Get access to data on 763,669 websites that have used Optimizely. We know of 285,334 live websites using Optimizely and an additional 478,335 sites that used Optimizely historically

View Website List

Get a list of websites using Optimizely

Pro Screenshot

A/B Testing

Visual Website Optimizer

54,841 websites


35,067 websites

Log in or Sign up for Free to see additional categories and competitors.

Browse groups of technologies that we track.