1. Enter the following code into your rc:

define_key(content_buffer_normal_keymap, "1", function () {
        var w = window_watcher.activeWindow;
        switch_to_buffer(w, w.buffers.get_buffer(0));
    });

2. Load a new instance of conkeror and load a web site.
3. Load another web site in another buffer using C-x C-f.
4. Press 1 to switch to the previous buffer.
5. Load a new web site by pressing g.
6. Observe that the new website loads in the other buffer.