diff --git a/cog.c b/cog.c
index 3357ae44..bf3f97ce 100644
--- a/cog.c
+++ b/cog.c
@@ -27,6 +27,7 @@ enum webprocess_fail_action {
 
 static struct {
     char    *home_uri;
+    char    *config_file;
     gboolean version;
     gboolean print_appid;
     gboolean doc_viewer;
@@ -71,6 +72,9 @@ static GOptionEntry s_cli_options[] =
         &s_options.on_failure.action_name,
         "Action on WebProcess failures: error-page (default), exit, exit-ok, restart.",
         "ACTION" },
+    { "config", 'C', 0, G_OPTION_ARG_FILENAME, &s_options.config_file,
+        "Path to a configuration file",
+        "PATH" },
 #if !COG_USE_WEBKITGTK
     { "platform", 'P', 0, G_OPTION_ARG_STRING, &s_options.platform_name,
         "Platform plug-in to use.",
@@ -82,6 +86,23 @@ static GOptionEntry s_cli_options[] =
 };
 
 
+static gboolean
+load_settings (CogShell *shell, GKeyFile *key_file, GError **error)
+{
+    if (g_key_file_has_group (key_file, "websettings")) {
+        WebKitSettings *settings = cog_shell_get_web_settings (shell);
+        if (!cog_webkit_settings_apply_from_key_file (settings,
+                                                      key_file,
+                                                      "websettings",
+                                                      error)) {
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+
 static int
 string_to_webprocess_fail_action (const char *action)
 {
@@ -201,6 +222,31 @@ on_handle_local_options (GApplication *application,
 
     s_options.home_uri = g_steal_pointer (&utf8_uri);
 
+    if (s_options.config_file) {
+        g_autoptr(GFile) file =
+            g_file_new_for_commandline_arg (s_options.config_file);
+        g_autofree char *config_file_path = g_file_get_path (file);
+
+        if (!g_file_query_exists (file, NULL)) {
+            g_printerr ("%s: File does not exist: %s\n",
+                        g_get_prgname (), config_file_path);
+            return EXIT_FAILURE;
+        }
+
+        g_autoptr(GError) error = NULL;
+        g_autoptr(GKeyFile) key_file = g_key_file_new ();
+        if (!g_key_file_load_from_file (key_file,
+                                        config_file_path,
+                                        G_KEY_FILE_NONE,
+                                        &error) ||
+            !load_settings (shell, key_file, &error))
+        {
+            g_printerr ("%s: Cannot load configuration file: %s\n",
+                        g_get_prgname (), error->message);
+            return EXIT_FAILURE;
+        }
+    }
+
     return -1;  /* Continue startup. */
 }
 
diff --git a/core/cog-webkit-utils.c b/core/cog-webkit-utils.c
index b7a62d98..99a79981 100644
--- a/core/cog-webkit-utils.c
+++ b/core/cog-webkit-utils.c
@@ -305,3 +305,87 @@ cog_web_view_connect_default_progress_handlers (WebKitWebView *web_view)
     for (unsigned i = 0; i < G_N_ELEMENTS (handlers); i++)
         g_signal_connect (web_view, handlers[i].sig, handlers[i].hnd, NULL);
 }
+
+
+gboolean
+cog_webkit_settings_apply_from_key_file (WebKitSettings *settings,
+                                         GKeyFile       *key_file,
+                                         const char     *group,
+                                         GError        **error)
+{
+    g_return_val_if_fail (WEBKIT_IS_SETTINGS (settings), FALSE);
+    g_return_val_if_fail (key_file != NULL, FALSE);
+
+    GObjectClass* object_class = G_OBJECT_GET_CLASS (settings);
+
+    unsigned n_properties = 0;
+    g_autofree GParamSpec* const* properties =
+        g_object_class_list_properties (object_class, &n_properties);
+
+    for (unsigned i = 0; i < n_properties; i++) {
+        g_autoptr(GError) lookup_error = NULL;
+        if (!g_key_file_has_key (key_file,
+                                 group,
+                                 properties[i]->name,
+                                 &lookup_error)) {
+            if (lookup_error) {
+                g_propagate_error (error, g_steal_pointer (&lookup_error));
+                return FALSE;
+            }
+            continue;  // Setting missing in GKeyFile, skip it.
+        }
+
+        const GType prop_type = G_PARAM_SPEC_VALUE_TYPE (properties[i]);
+        switch (prop_type) {
+            case G_TYPE_BOOLEAN: {
+                gboolean value = g_key_file_get_boolean (key_file,
+                                                         group,
+                                                         properties[i]->name,
+                                                         &lookup_error);
+                if (!value && lookup_error) {
+                    g_propagate_error (error, g_steal_pointer (&lookup_error));
+                    return FALSE;
+                }
+                g_object_set (settings, properties[i]->name, value, NULL);
+                break;
+            }
+
+            case G_TYPE_UINT: {
+                guint64 value = g_key_file_get_uint64 (key_file,
+                                                       group,
+                                                       properties[i]->name,
+                                                       &lookup_error);
+                if (value == 0 && lookup_error) {
+                    g_propagate_error (error, g_steal_pointer (&lookup_error));
+                    return FALSE;
+                } else if (value > G_MAXUINT) {
+                    g_set_error (error,
+                                 G_KEY_FILE_ERROR,
+                                 G_KEY_FILE_ERROR_INVALID_VALUE,
+                                 "Value for '%s' exceeds maximum integer size",
+                                 properties[i]->name);
+                    return FALSE;
+                }
+                g_object_set (settings, properties[i]->name, (guint) value, NULL);
+                break;
+            }
+
+            case G_TYPE_STRING: {
+                g_autofree char* value =
+                    g_key_file_get_string (key_file,
+                                           group,
+                                           properties[i]->name,
+                                           &lookup_error);
+                if (!value) {
+                    g_assert_nonnull (lookup_error);
+                    g_propagate_error (error, g_steal_pointer (&lookup_error));
+                    return FALSE;
+                }
+                g_object_set (settings, properties[i]->name, value, NULL);
+                break;
+            }
+        }
+    }
+
+    return TRUE;
+}
diff --git a/core/cog-webkit-utils.h b/core/cog-webkit-utils.h
index d7448c50..1a0c23fa 100644
--- a/core/cog-webkit-utils.h
+++ b/core/cog-webkit-utils.h
@@ -76,4 +76,9 @@ void cog_handle_web_view_load_changed (WebKitWebView  *web_view,
 void cog_web_view_connect_default_progress_handlers (WebKitWebView *web_view);
 
 
+gboolean cog_webkit_settings_apply_from_key_file (WebKitSettings *settings,
+                                                  GKeyFile       *key_file,
+                                                  const char     *group,
+                                                  GError        **error);
+
 G_END_DECLS