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, Google Website Optimizer is clearly lagging behind, losing to Optimizely in all segments.

Websites Categories

1 Optimizely has better usage coverage in more websites categories. Including People & Society, Internet & Telecom, Business & Industry, Religion & Spirituality and 237 other categories.

2 Google Website Optimizer hasn't got a lead over Optimizely in any websites category.

Geography

1 Optimizely is leading in most countries, including United States, United Kingdom, Germany, Poland and 183 other countries.

2 Google Website Optimizer hasn't got a lead over Optimizely in any country.