1. A method for optimizing a polling interval to capture new or changed content at an application server, the method, comprising: polling the application server using a first polling interval; monitoring responses received from the polling of the application server; adjusting the first polling interval of the application server to a second polling interval based on when and if any of the responses received by polling at the first polling interval indicate new or changed content from the application server; wherein, the polling of the application server occurs responsive to requests of a mobile client on a mobile device to access content from the application server; identifying another resource delivering the same or similar content as the application server; using the second polling interval for polling the application server and the another resource delivering same or similar content as the application server.