Merge pull request #548 from jxdv/speculative-content

add speculativeConnect

README.md

@@ -211,6 +211,7 @@ Settings that do not belong to other sections or are user specific preferences.
 * Prevent leaking application locale/date format using JavaScript [ [1](https://bugzilla.mozilla.org/show_bug.cgi?id=867501) [2](https://hg.mozilla.org/mozilla-central/rev/52d635f2b33d) ]
 * Do not submit invalid URIs entered in the address bar to the default search engine [ [1](http://kb.mozillazine.org/Keyword.enabled) ]
 * Don't trim HTTP off of URLs in the address bar. [ [1](https://bugzilla.mozilla.org/show_bug.cgi?id=665580) ]
+* Disable preloading of autocomplete URLs. [ [1](https://wiki.mozilla.org/Privacy/Privacy_Task_Force/firefox_about_config_privacy_tweeks) ]
 * Don't try to guess domain names when entering an invalid domain name in URL bar [ [1](http://www-archive.mozilla.org/docs/end-user/domain-guessing.html) ]
 * When browser.fixup.alternate.enabled is enabled, strip password from 'user:password@...' URLs [ [1](https://github.com/pyllyukko/user.js/issues/290#issuecomment-303560851) ]
 * Send DNS request through SOCKS when SOCKS proxying is in use [ [1](https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers) ]

user.js

@@ -247,6 +247,10 @@ user_pref("keyword.enabled",					false);
 // https://bugzilla.mozilla.org/show_bug.cgi?id=665580
 user_pref("browser.urlbar.trimURLs",				false);
 
+// PREF: Disable preloading of autocomplete URLs.
+// https://wiki.mozilla.org/Privacy/Privacy_Task_Force/firefox_about_config_privacy_tweeks
+user_pref("browser.urlbar.speculativeConnect.enabled", false);
+
 // PREF: Don't try to guess domain names when entering an invalid domain name in URL bar
 // http://www-archive.mozilla.org/docs/end-user/domain-guessing.html
 user_pref("browser.fixup.alternate.enabled",			false);