Market Share by Top Websites

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

2 Optimizely is leading in Top 10K Sites.

Websites Categories

1 Optimizely has better usage coverage in more websites categories. Including Games, Computers Electronics & Technology, Arts & Entertainment, Vehicles and 10 other categories.

2 Piwik is leading in Science & Education, Law & Government, Health, Heavy Industry & Engineering and 6 other categories.


1 Piwik is leading in most countries, including Germany, France, United Kingdom, Japan and 94 other countries.

2 Optimizely is leading in United States, Canada, Australia, India and 54 other countries.