Heap - Analytics for web and iOS. Heap automatically captures every user action in your app and lets you measure it all. Clicks, taps, swipes, form submissions, page views, and more.

Q-Stats - Get free marketing insights for every question on Quora.

Adobe Analytics - Adobe Analytics is an industry-leading solution that empowers you to understand your customers as people and steer your business with customer intelligence.

Site Rank Data - View historical rank information of websites via time series charts.

Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.

Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more