Is it possilble to select the image size for the featured image in the results. My results are displaying the image at the correct dimensions but the images loaded are the original size featured image. Some of which are very large and take a long time to load.
On the Caching Opitons submenu you can turn on the Crop images for caching option. It will create a smaller matching size of each image and store it in the plugin cache directory. This might affect the performance at first, but after the images are cached it should fall back to normal.
In upcoming versions there will be an option to choose a different source image size for featured images, once I finish testing it 🙂