Heatmaps works per single webpage, we highly suggest you to create a heatmaps for your homepage or any page that has high traffic such as campaign landing page.
To add your first heatmaps, please go on the left sidebar and click on the heatmaps tab. Once you are there, please click on this button to create your heatmaps.
Follow the wizard to create your heatmaps.
After creating your heatmaps, you should see a page like this.
To access your heatmaps, please click on the device type that you want to see.
On the main page for the Heatmaps, you'll see three dots. Click on it to show a menu and then select Retake Snapshots. This feature should be only used if you had made any visual changes on your website or if the Heatmap doesn't gather any data.
You can also retake a snapshot on the selected screen type, you'll find a three dots. Click on it to show a menu.