The response rate can be viewed in several places in &frankly, so you always have it to hand. To see the total response rate or to see how your response rate changes over time, go to the page Results > Response rates.
Step-by-step:
Go to Results > Response rates
Select a group. If you want to, you can choose a group to compare with.
The response rate is updated in real-time (every ten minutes) and displays trends within the selected group. Hold your pointer on one of the data points to see details.