Sitebeam - Spelling mistakes, SEO, load speed, social media, code, W3C, accessibility & more in one tool.
Histats - Start tracking your visitors in 1 minute!
WAO - WAO.io offers web analytics and optimization solutions.
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.
Monsido - Monsido is an all-in-one platform that delivers the insights you need to build a better web experience for your visitors
Woopra - Track your customers' web and mobile activity, forms, emails, support tickets and more, all in one place with customer analytics. Analyze and take action.