According to website profiler BuiltWith, in Feb 2020 the following companies are collectively responsible for tracking user behavior on over one million websites (and we’re proud to say that Hotjar made the list).
Google Analytics is the most popular website analytics tool, giving users a wide range of data from one of the world’s largest technology companies.
Google Site Tag
Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.
Facebook Pixel, Facebook Signal, and Facebook Conversion Tracking
These Facebook tools allow organizations to track users behavior on your website, and interface with your Facebook Ads Manager dashboard.
Rapleaf specialize in automation tools help brands keep their customers engaged.
New Relic specializes in analytics for browser-side software application performance.
Hotjar offers a suite of tools to help businesses selling online understand their users on a deeper level, including heat maps for aggregate user data, surveys, polls, feedback widgets, funnel analysis, and session recordings.
Yandex Metrica offers web analytics, heatmaps, recordings, and other tools.
LiveRamp helps companies analyze data and refine messaging to better target potential customers.
🤓 Read more: we made a list of some of the most popular web analysis tools to help you understand your users, including 5 Google Analytics alternatives