1
Unanswered questions
List them first. Each is a gap in your information. Teach the answer once and it is fixed for every future visitor.
2
Repeated questions
A question asked ten times means your website does not answer it clearly. Put the answer on the page itself, not only in the chat.
3
Where visitors stop
Notice the point where visitors stop replying: a price, a form field, a missing option. That is where to improve.
4
Ratings and thumbs down
Replies marked unhelpful show tone or accuracy problems. Fix the information behind them.
5
Make it a habit
Fifteen minutes a week is enough. Chatdek's coaching view lists what each agent got wrong so you can start there.