Do not be blind, you need to learn from your mistakes and track your success. That involves using segmentation and analytics to start refining your online indevours and generating even better results than you would without working with analytics. Timing is another one that can vary widely depending on your list. Our advice is to experiment with this and see what gives you the best results.
To sum up:
All in one marketing dashboard, General view
All in one marketing dashboard, ranking
All in one marketing dashboard, keywords ranking