The web interface "Display" tab presents you with these following options:
Choose the color depth for the remote computer view.
Choose from the available list of resolutions including "Fit to browser window" and "Fit to screen", ideal for hiding the browser and working on a full screen mode.
The connection image quality is a lot related with the application performance (higher quality=lower performance).
The default Image quality is Optimal, because it presents the best cost benefit between quality and performance cost. If you need to have more quality or better performance, take a look on the other options below:
Highest - Works only with PNG images and has no compression (0% compression)
Optimal - Combines PNG and JPEG images (20% compression).
Good - Works only with JPEG images (40% compression)
Faster - Works only with JPEG images (50% compression).