Could you please give us some additional information about your case Are you using large images and how many images are loaded simultaneously. You should have in mind that loading large amount of big images will consume more server resources and should be avoided. If you for example load around 30 images with 3200px × 2400px size and around 5 MB with a single request you are loading up to 150MB of data into memory. So in this case I suggest you to consider limiting the number of images loaded simultaneously and/or using an already resized copy of the images (which will remove the additional load from the servers CPUs too).
Looking forward for your reply.
the Telerik team