Market Share by Top Websites

1 Improvely is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Google Website Optimizer is clearly lagging behind, losing to Improvely in all segments.

Websites Categories

1 Google Website Optimizer has better usage coverage in more websites categories. Including Games, Community & Society, Science & Education, Pets & Animals and 11 other categories.

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


1 Improvely is leading in most countries, including United States, United Kingdom, India, Canada and 68 other countries.

2 Google Website Optimizer is leading in Russia, Italy, Japan, Romania and 26 other countries.