Liberating Web Analytics Piwik is the leading open source web analytics platform that gives you valuable insights on your website's visitors, your marketing campaigns and much more, so you can optimize your online strategy and experience of your users. Get to know more about your users and their behaviour on your website – where they came from (referrers), which pages are most popular, how often they visit and which marketing campaigns have been successful. Whether you are an individual blogger, a small business, or a large corporation, Piwik helps you gain valuable insights to help your business or readership grow. Piwik will always respect your and your users privacy, while giving you full control of your data.