What are some alternatives?
App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.
SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Quantcast - Quantcast Corporation is a digital marketing company that provides free audience demographics measurement and delivers real-time advertising.
Alexa - Alexa provides analytical insights to benchmark, compare and optimize businesses on the web.
Marketing Optimizer - Optimize conversion rates, increase lead-to-close ratio, and resell leads easily. Includes complete WordPress integration.
SEO camel - A very complete SEO tool that helps you with optimization on your site.