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  Alexa

  Alexa provides analytical insights to benchmark, compare and optimize businesses on the web.
  http://www.alexa.com

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  SimilarWeb

  Compare website traffic with SimilarWeb.com's advanced traffic estimator tool. See any website's traffic sources & uncover their online marketing strategies.
  http://www.similarweb.com

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  Clicky

  Clicky Web Analytics is simply the best way to monitor, analyze, and react to your blog or web site's traffic in real time.
  http://www.clicky.com

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  Crazy Egg

  Through Crazy Egg's heat map and scroll map reports you can get an understanding of how your visitors engage with your website so you can boost your conversi...
  http://www.crazyegg.com

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  Optimizely

  Enterprise-level A/B testing and personalization for the web and mobile apps.
  http://www.optimizely.com

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  KISS Metrics

  http://www.kissmetrics.com

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  Compete

  Compete PRO lets you run and export unlimited, more comprehensive domain reports. Get started today for exclusive early data access each month and much more.
  http://www.compete.com

• 

  Mint

  The original Mint. Mint is the only self-hosted, real-time, extensible web stats app. Satisfy your sweet tooth for site stats and get Minted!
  http://www.haveamint.com

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  Google Analytics

  http://analytics.google.com