Market Share by Top Websites

1 Google Website Optimizer is leading in The Entire Web.

2 Improvely is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Google Website Optimizer has better usage coverage in more websites categories. Including Games, Community & Society, Science & Education, Pets & Animals and 12 other categories.

2 Improvely is leading in Business & Consumer Services, Computers Electronics & Technology, Finance, Health and 4 other categories.

Geography

1 Google Website Optimizer is leading in most countries, including Russia, Italy, Japan, France and 51 other countries.

2 Improvely is leading in United States, United Kingdom, Canada, India and 45 other countries.