There is a wide range of eLearning analytics that you can track to understand how learners are interacting with your eLearning courses and to identify areas for improvement. Some of the most common eLearning analytics to track include:

1. Completion rates: This measures the percentage of learners who complete the eLearning course.
   
2. Time spent on course: This measures the amount of time that learners spend on each course or module.
   
3. Scores on assessments: This measures the performance of learners on quizzes, tests, and other assessments.
   
4. Engagement metrics: This includes measures such as the number of clicks, the number of pages viewed, and the amount of time spent on each page.
   
5. Drop-off points: This identifies the specific points in the eLearning course where learners are most likely to leave or disengage.
   
6. Learner feedback: This includes surveys or other forms of feedback that learners provide about the eLearning course.

Tracking these analytics can help you understand how learners are interacting with your eLearning courses and identify areas for improvement. By analyzing this data, you can make changes to the eLearning course to make it more effective and engaging for learners.