Nov 16, 2025the http cache-control header holds directives (instructions) in both requests and responses that control caching in browsers and shared caches (e.g., proxies, cdns). The .nocache.js file contains javascript code that resolves the deferred binding configurations (such as browser detection, for instance) and then uses a lookup table generated by the gwt compiler to. Mar 31, 2023i have configured caching for one or the url path with wild card which is accessing the dynamic images from my application, when i check from the browser i see config_nocache in.