Market Share by Top Websites

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

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

Websites Categories

1 Google Website Optimizer has better usage coverage in more websites categories. Including Business & Industry, Shopping, People & Society, Arts & Entertainment and 122 other categories.

2 Rekko is leading in Office Products, Furniture, Food & Grocery Retailers, Children and 2 other categories.


1 Google Website Optimizer is leading in most countries, including United States, France, Russia, United Kingdom and 72 other countries.

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