Google Analytics: It is a web analytics service offered by Google that tracks and reports website traffic, currently as a platform inside the Google Marketing Platform brand. Google launched the service in November 2005 after acquiring Urchin.
Piwik: Matomo, formerly Piwik, is a free and open-source web analytics application developed by a team of international developers, that runs on a PHP/MySQL webserver. It tracks online visits to one or more websites and displays reports on these visits for analysis.
Below is a table of differences between Google Analytics and Piwik:
|Hosting||Remotely hosted||Self hosted|
|Data Privacy||User can have data privacy concern due to remote hostig||Advance privacy features to protect user privacy|
|Custom reporting||Large number of reports that user can import created by other users||No such feature but user can download themes and plugins from market-place|
|Clear browser version||It provides clear browser version such as chrome family||No such feature|
|Results||It gives top pages, top sources, visit page views, top locations and visitors currently on the website||Information representation is largely unclear|
|Per-minute views||It offers per minute page views chart||No such feature available|
|Live users||It shows the visited user on website and users which are still on the website||It shows the visited user but it is not clear if visitor is still on the website or not|
|Date filter||It offers a custom easy to use date filter with lot of options||It offer time filter|