diff --git a/CHANGELOG b/CHANGELOG
index c1e077f139..7a483bfba7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Cache action keyword
+* Always use cached views
 * Manage model access
 * Manage time format
 * Deactivate attachment button when record is not created
diff --git a/tryton/gui/window/view_form/screen/screen.py b/tryton/gui/window/view_form/screen/screen.py
index 93a941a530..a9f940d7f1 100644
--- a/tryton/gui/window/view_form/screen/screen.py
+++ b/tryton/gui/window/view_form/screen/screen.py
@@ -23,6 +23,10 @@ from tryton.common import RPCExecute, RPCException, MODELACCESS
 class Screen(SignalEvent):
     "Screen"
 
+    # Width of tree columns per model
+    # It is shared with all connection but it is the price for speed.
+    tree_column_width = collections.defaultdict(lambda: {})
+
     def __init__(self, model_name, view_ids=None, mode=None, context=None,
             views_preload=None, domain=None, row_activate=None, limit=None,
             readonly=False, exclude_field=None, sort=None, search_value=None,
diff --git a/tryton/gui/window/view_form/view/list.py b/tryton/gui/window/view_form/view/list.py
index 6233da2051..2ebfdaa113 100644
--- a/tryton/gui/window/view_form/view/list.py
+++ b/tryton/gui/window/view_form/view/list.py
@@ -653,11 +653,13 @@ class ViewList(ParserView):
             del fields[last_col.name]
 
         if fields and any(fields.itervalues()):
+            model_name = self.screen.model_name
             try:
                 RPCExecute('model', 'ir.ui.view_tree_width', 'set_width',
-                    self.screen.model_name, fields)
+                    model_name, fields)
             except RPCException:
                 pass
+            self.screen.tree_column_width[model_name].update(fields)
 
     def destroy(self):
         self.save_width_height()
diff --git a/tryton/gui/window/view_form/view/list_gtk/parser.py b/tryton/gui/window/view_form/view/list_gtk/parser.py
index a97ce91faa..e046f1eefb 100644
--- a/tryton/gui/window/view_form/view/list_gtk/parser.py
+++ b/tryton/gui/window/view_form/view/list_gtk/parser.py
@@ -206,10 +206,12 @@ class ParserTree(ParserInterface):
                     'boolean': 20,
                     'binary': 200,
                 }
-                if 'width' in node_attrs:
-                    width = int(node_attrs['width'])
-                else:
-                    width = twidth.get(fields[fname].attrs['type'], 100)
+                width = self.screen.tree_column_width[model_name].get(fname)
+                if not width:
+                    if 'width' in node_attrs:
+                        width = int(node_attrs['width'])
+                    else:
+                        width = twidth.get(fields[fname].attrs['type'], 100)
                 col.width = width
                 if width > 0:
                     col.set_fixed_width(width)
diff --git a/tryton/rpc.py b/tryton/rpc.py
index 32ec540dad..bce81903a2 100644
--- a/tryton/rpc.py
+++ b/tryton/rpc.py
@@ -1,7 +1,6 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 import httplib
-import itertools
 import logging
 import socket
 import os
@@ -23,6 +22,7 @@ _DATABASE = ''
 CONTEXT = {}
 _VIEW_CACHE = {}
 _TOOLBAR_CACHE = {}
+_KEYWORD_CACHE = {}
 TIMEZONE = 'utc'
 _SEMAPHORE = Semaphore()
 _CA_CERTS = os.path.join(get_config_dir(), 'ca_certs')
@@ -72,9 +72,10 @@ def server_version(host, port):
 
 def login(username, password, host, port, database):
     global CONNECTION, _USER, _USERNAME, _SESSION, _HOST, _PORT, _DATABASE
-    global _VIEW_CACHE, _TOOLBAR_CACHE
+    global _VIEW_CACHE, _TOOLBAR_CACHE, _KEYWORD_CACHE
     _VIEW_CACHE = {}
     _TOOLBAR_CACHE = {}
+    _KEYWORD_CACHE = {}
     try:
         _SEMAPHORE.acquire()
         try:
@@ -107,7 +108,7 @@ def login(username, password, host, port, database):
 
 def logout():
     global CONNECTION, _USER, _USERNAME, _SESSION, _HOST, _PORT, _DATABASE
-    global _VIEW_CACHE, _TOOLBAR_CACHE
+    global _VIEW_CACHE, _TOOLBAR_CACHE, _KEYWORD_CACHE
     if IPCServer.instance:
         IPCServer.instance.stop()
     if CONNECTION is not None:
@@ -130,6 +131,7 @@ def logout():
     _DATABASE = ''
     _VIEW_CACHE = {}
     _TOOLBAR_CACHE = {}
+    _KEYWORD_CACHE = {}
 
 
 def context_reload():
@@ -155,23 +157,20 @@ def _execute(blocking, *args):
     if CONNECTION is None:
         raise TrytonServerError('NotLogged')
     key = False
+    model = args[1]
     method = args[2]
     if method == 'fields_view_get':
-        args, ctx = args[:-1], args[-1]
-        # Make sure all the arguments are present
-        args = tuple(arg if arg is not None else default
-            for arg, default in itertools.izip_longest(args,
-                ('', '', 'fields_view_get', None, 'form'),
-                fillvalue=None))
-        key = str(args + (ctx,))
-        if key in _VIEW_CACHE and _VIEW_CACHE[key][0]:
-            args += (_VIEW_CACHE[key][0], ctx)
-        else:
-            args += (ctx,)
+        key = str(args)
+        if key in _VIEW_CACHE:
+            return _VIEW_CACHE[key]
     elif method == 'view_toolbar_get':
         key = str(args)
         if key in _TOOLBAR_CACHE:
             return _TOOLBAR_CACHE[key]
+    elif model == 'ir.action.keyword' and method == 'get_keyword':
+        key = str(args)
+        if key in _KEYWORD_CACHE:
+            return _KEYWORD_CACHE[key]
     res = _SEMAPHORE.acquire(blocking)
     if not res:
         return
@@ -185,12 +184,11 @@ def _execute(blocking, *args):
     finally:
         _SEMAPHORE.release()
     if key and method == 'fields_view_get':
-        if result is True and key in _VIEW_CACHE:
-            result = _VIEW_CACHE[key][1]
-        else:
-            _VIEW_CACHE[key] = (result['md5'], result)
+        _VIEW_CACHE[key] = result
     elif key and method == 'view_toolbar_get':
         _TOOLBAR_CACHE[key] = result
+    elif key and model == 'ir.action.keyword' and method == 'get_keyword':
+        _KEYWORD_CACHE[key] = result
     logging.getLogger('rpc.result').debug(repr(result))
     return result