Swetrix - Ultimate open-source analytics to satisfy all your needs.

LoadFocus - Cloud Testing Infrastructure | Cloud Testing Services and Tools for Websites & APIs.

Statify - Statify provides a straightforward and compact access to the number of site views.

Loader.io - Loader.io is a simple cloud-based load testing service

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.

LoadStorm - Load test websites, web apps, APIs, and mobile apps via the cloud. Use scripts to simulate user behavior for up to a million virtual users. Try it for free!