0809: disable preloaded top website suggestions

user.js

@@ -393,6 +393,9 @@ user_pref("browser.search.suggest.enabled", false);
  * [SETTING] Options>Search>Show search suggestions in location bar results ***/
 user_pref("browser.urlbar.suggest.searches", false);
 user_pref("browser.urlbar.userMadeSearchSuggestionsChoice", true); // (FF41+)
+/* 0809: disable location bar suggesting "preloaded" top websites (FF54+)
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1211726 ***/
+user_pref("browser.urlbar.usepreloadedtopurls.enabled", false);
 /* 0850a: disable location bar autocomplete [controlled by 0850b]
    // user_pref("browser.urlbar.autocomplete.enabled", false);
 /* 0850b: disable location bar suggestion types [controls 0850a]