Modern JS app frameworks / libraries that follow the SPA paradigm (static content + JS app + JSON data via XHR) have changed the way you can track your users’ activities - monitoring HTTP requests to the server is not enough as client-side routing (like the one in Backbone.js or Angular.js) doesn’t have to make any actual request at all! Why to bother with logging client-side events? What’s really important is the information that flies to the server as this is what gets persisted, isn’t it? In general - yes - totally agree, but:…