Nextag ROI Optimizer
trend
60 websites

Nextag ROI Optimizer is free to use

http://nextagsellers.blogspot.com/2010/02/roi-optimizer.html

2 Feb 2010 ... The ROI Optimizer is one of the most important features that you can implement to understand the performance of your account. What is it?

VS

Optify
trend
1,397 websites

Optify offers both free and paid options

http://www.optify.net/

Optify provides an indispensable demand generation solution for sophisticated B2B marketers. Optify helps you generate more high quality inbound leads, nurture more demand from your existing leads, and track the impact of all of your market...

Market Share by Top Websites

1 Optify is leading in 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 Optify in all segments.

Websites Categories

1 Optify has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Marketing & Advertising, Arts & Entertainment and 116 other categories.

2 Nextag ROI Optimizer is leading in Sports, Weddings and Furniture.

Geography

1 Optify is leading in most countries, including United States, India, Canada, United Kingdom and 46 other countries.

2 Nextag ROI Optimizer is leading in Germany and Finland.