Market Share by Top Websites

1 Optimizely is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, AT Internet is clearly lagging behind, losing to Optimizely in all segments.

Websites Categories

1 Optimizely has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Finance, Health and 15 other categories.

2 AT Internet is leading in News & Media, Law & Government, Hobbies & Leisure, Adult and one other category.


1 Optimizely is leading in most countries, including United States, United Kingdom, Poland, Canada and 125 other countries.

2 AT Internet is leading in France, Russia, Morocco, Algeria and 24 other countries.