A processor may identify that one or more client-side applications have been initiated. The processor may identify a browser container. The processor may securely run the one or more client-side applications in the browser container. A website server may collect data that is to be transferred to a browser and sent back from the browser, and the browser container may be associated with the browser. The processor may permit a transfer and sending of the data between the website server and the browser. The transfer and sending of the data may include session specific information that is to be cached on a client-side.