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.
AskNicely - Collect customer experience feedback on a daily basis and empower your team to take immediate action to drive retention, upgrades, reviews and referrals.
Matomo - Matomo is an open-source web analytics platform
Delighted - The fastest and easiest way to gather actionable feedback from your customers
Clicky - Clicky Web Analytics is a simple way to monitor, analyze, and react to your blog or web site's traffic in real time.
Survicate - Collect feedback on your website and find out more about your visitors.