Patent ID: 7574653

Claim:
A method executable on a computer for generating an image, comprising: a web application designating conversion characteristics at a server device, the conversion characteristics being associated with characteristics of a plurality of different mobile client devices, wherein the conversion characteristics indicate at least one of a scale factor for an image in relation to a dimension of a mobile client device's display, an indication for maintaining an aspect ratio of the image, and a dither method applied to the image; the web application designating a priority factor for the image, wherein the priority factor indicates whether the requested image will be displayed on the mobile client device before each of a plurality of other images; receiving a request for a web page at the server device from a browser operating on the mobile client device, wherein the web page is created by the web application and the web page includes the image; the server device determining the display characteristics of the mobile client device from the request, wherein the request includes a header with information indicating display characteristics of the mobile client device; and the server device modifying an image file corresponding to the image for generating an image suitable for rendering on the display of the mobile client device in accordance with the display characteristics of the mobile client device and the conversion characteristics.