diff --git a/core/browser.py b/core/browser.py
index 5349170..5cf46d2 100644
--- a/core/browser.py
+++ b/core/browser.py
@@ -646,5 +646,11 @@ class BrowserBuffer(Buffer):
         else:
             self.refresh_page()
 
+    def insert_or_close_buffer(self):
+        if self.is_focus():
+            self.fake_key_event(self.current_event_string)
+        else:
+            self.request_close_buffer()
+
     def clear_focus(self):
         self.buffer_widget.clear_focus()
diff --git a/eaf.el b/eaf.el
index 9710fd0..89a65a4 100644
--- a/eaf.el
+++ b/eaf.el
@@ -250,6 +250,7 @@ Try not to modify this alist directly.  Use `eaf-setq' to modify instead."
     ("t" . "insert_or_new_blank_page")
     ("r" . "insert_or_refresh_page")
     ("g" . "insert_or_scroll_to_begin")
+    ("x" . "insert_or_close_buffer")
     ("G" . "insert_or_scroll_to_bottom")
     ("M-u" . "clear_focus")
     ("<f5>" . "refresh_page"))