Market Share by Top Websites

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

2 In terms of market share, Nextag ROI Optimizer is clearly lagging behind, losing to Siteimprove in all segments.

Websites Categories

1 Siteimprove has better usage coverage in more websites categories. Including Business & Industry, Health, Career & Education, Law & Government and 122 other categories.

2 Nextag ROI Optimizer is leading in Clothing, Sports, Weddings, Soccer and one other category.

Geography

1 Siteimprove is leading in most countries, including United States, Denmark, United Kingdom, Sweden and 98 other countries.

2 Nextag ROI Optimizer is leading in Ecuador.