StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
WAO - WAO.io offers web analytics and optimization solutions.
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RankScience - Advanced Content Optimization Software for SEO
AFSAnalytics - AFSAnalytics.
Siteimprove - Consider the Siteimprove Intelligence Platform the newest member of your team.