Using GTK+ with HTML5 3 GTK Library
Using GTK+ with HTML5 HTML-specific aspects of using GTK+

## Using GTK+ with HTML5

The GDK Broadway backend provides support for displaying GTK+ applications using HTML5 and Web sockets. To run your application in this way, select the Broadway backend by setting `GDK_BACKEND=broadway`. Then you can make your application appear in a web browser by pointing it at `http://127.0.0.1:8080`. Note that you need to enable web sockets in your web browser.

You can choose a different port from the default 8080 by setting the `BROADWAY_DISPLAY` environment variable to the port that you want to use.