An image bundle is a construct used to improve application performance by reducing the number of round trip HTTP requests to the server to fetch images.
An image bundle is a construct used to improve application performance by reducing the number of round trip HTTP requests to the server to fetch images. GWT can package many image files into a single large file to be downloaded from the server and managed as a Java object.
Resources
Good understanding of ClientBundle advantages : https://developers.google.com/web-toolkit/doc/latest/DevGuideUiImageBundles?hl=fr
Official documentation : https://developers.google.com/web-toolkit/doc/latest/DevGuideClientBundle
