diff --git a/testing/user.js b/testing/user.js
index f2437c3..0c4837b 100644
--- a/testing/user.js
+++ b/testing/user.js
@@ -984,6 +984,8 @@ user_pref("general.useragent.override.readthedocs.io", "Mozilla/5.0 (X11; Linux
 user_pref("general.useragent.override.rtl-sdr.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
 user_pref("general.useragent.override.signin.ebay.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
 user_pref("general.useragent.override.soundcloud.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
+user_pref("general.useragent.override.stackexchange.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
+user_pref("general.useragent.override.stackoverflow.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
 user_pref("general.useragent.override.store.ui.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
 user_pref("general.useragent.override.take.indeedassessments.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");
 user_pref("general.useragent.override.take.indeedassessments.com", "Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0");