Why is client-side scripting typically faster than server-side scripting?

Client-side scripting is generally faster than server-side scripting primarily because it runs directly in the user's browser. When a script is executed client-side, it does not involve round trips to the server after the initial page load. This means that any interactive features or modifications to the webpage can occur instantly, leveraging the local resources of the user's device. In contrast, server-side scripting requires communication with a server, which can introduce latency due to network speed, server load, and the time needed to process requests and responses.

Client-side scripts allow for quick updates, such as form validation or dynamic content display, without needing to reload the entire page or reconnect to a server, further enhancing performance from the user's perspective. This operational dynamic is key to user experience in web applications, making client-side scripting a powerful tool in building interactive, responsive user interfaces.