If you want to add a HTML Progress bar without relying on Flash, there are ways to achieve it without any hassle. Many websites already showcase live examples of simple progress bars that can be created using just HTML and Javascript.
For Java developers, Apache's common.fileupload library provides a progress listener interface that can be utilized with AJAX calls to track the total bytes uploaded. By using JavaScript, updating the progress bar becomes a straightforward task.
To access the full code list for implementing this in Java, simply visit Apache's fileupload homepage.
When working with PHP, it may require installing additional third-party tools for adding progress bar functionality.