Various embodiments enable dynamic crunching of script that can be referenced in a webpage. In at least some embodiments, a browser at a client can be employed to navigate to a webpage available from a server. The webpage can be a static webpage or a dynamically generated webpage. In response to a request from the client to the server, the server can be configured to dynamically generate script referenced in a webpage. Dynamic generation of the script at the server can include configuring the script and crunching of the script to reduce its size. The server can communicate a response having the dynamically crunched script to the client to enable execution of the script by the browser.