# Browser Cache Management

cPanel Theme Management / Browser Cache Management

## Return web browser cached file override ID

 - [GET /CacheBuster/read](https://api.docs.cpanel.net/specifications/cpanel.openapi/browser-cache-management/cachebuster-read.md): This function returns the current  id. The system uses this ID to force the browser to fetch a new resource when that resource already exists in the web browser cache. This is useful when an application has updated the resource on the server. You should append this ID to the end of the url in the query-string. For example, if you are accessing a url like:



 To force the browser to fetch the updated version, you would append the following:

 

 

 The application that updates the resource at this url on the server  call the  function when it updates the resource to signify that update.

## Create web browser cached file override ID

 - [GET /CacheBuster/update](https://api.docs.cpanel.net/specifications/cpanel.openapi/browser-cache-management/update.md): This function generates a random integer (the CacheBuster ID). Use this ID to work with and around a browser's caching mechanism.