diff --git a/README.md b/README.md
index 7c46c73..170b1c4 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@ docker-compose up -d --build
 | --ssl        | Whether to enable SSL | `False`               |
 | --frontend-language-source | Set frontend default language - source | `en`          |
 | --frontend-language-target | Set frontend default language - target | `es`          |
+| --frontend-timeout | Set frontend translation timeout | `500`         |
 
 
 ## Roadmap
diff --git a/app/app.py b/app/app.py
index 79634f8..9b56f0d 100644
--- a/app/app.py
+++ b/app/app.py
@@ -13,7 +13,7 @@ def get_remote_address():
 
     return ip
 
-def create_app(char_limit=-1, req_limit=-1, batch_limit=-1, ga_id=None, debug=False, frontend_language_source="en", frontend_language_target="en"):
+def create_app(char_limit=-1, req_limit=-1, batch_limit=-1, ga_id=None, debug=False, frontend_language_source="en", frontend_language_target="en", frontend_timeout=500):
     from app.init import boot
     boot()
 
@@ -67,7 +67,7 @@ def create_app(char_limit=-1, req_limit=-1, batch_limit=-1, ga_id=None, debug=Fa
 
     @app.route("/")
     def index():
-        return render_template('index.html', gaId=ga_id)
+        return render_template('index.html', gaId=ga_id, frontendTimeout=frontend_timeout)
 
     @app.route("/languages")
     def langs():
@@ -274,6 +274,9 @@ def create_app(char_limit=-1, req_limit=-1, batch_limit=-1, ga_id=None, debug=Fa
                 charLimit:
                   type: integer
                   description: Character input limit for this language (-1 indicates no limit)
+                frontendTimeout:
+                  type: integer
+                  description: Frontend translation timeout
                 language:
                   type: object
                   properties:
@@ -297,6 +300,7 @@ def create_app(char_limit=-1, req_limit=-1, batch_limit=-1, ga_id=None, debug=Fa
                           description: Human-readable language name (in English)
         """
         return jsonify({'charLimit': char_limit,
+                        'frontendTimeout': frontend_timeout,
                         'language': {
                             'source': {'code': frontend_argos_language_source.code, 'name': frontend_argos_language_source.name},
                             'target': {'code': frontend_argos_language_target.code, 'name': frontend_argos_language_target.name}}
diff --git a/app/templates/index.html b/app/templates/index.html
index 3fbe89a..42899b0 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -441,7 +441,7 @@ document.addEventListener('DOMContentLoaded', function(){
 				};
 
 				request.send(data);
-	  		}, 300);
+	  		}, {{ frontendTimeout }});
 	  	},
 
 		copyText: function(e){
diff --git a/main.py b/main.py
index f526533..348900d 100644
--- a/main.py
+++ b/main.py
@@ -22,6 +22,8 @@ parser.add_argument('--frontend-language-source', type=str, default="en", metava
                     help='Set frontend default language - source (%(default)s)')
 parser.add_argument('--frontend-language-target', type=str, default="es", metavar="<language code>",
                     help='Set frontend default language - target (%(default)s)')
+parser.add_argument('--frontend-timeout', type=int, default=500, metavar="<milliseconds>",
+                    help='Set frontend translation timeout (%(default)s)')
 
 args = parser.parse_args()
 
@@ -33,7 +35,8 @@ if __name__ == "__main__":
                      ga_id=args.ga_id,
                      debug=args.debug,
                      frontend_language_source=args.frontend_language_source,
-                     frontend_language_target=args.frontend_language_target)
+                     frontend_language_target=args.frontend_language_target,
+                     frontend_timeout=args.frontend_timeout)
     if args.debug:
         app.run(host=args.host, port=args.port)
     else: