diff --git a/app/utils/filter_utils.py b/app/utils/filter_utils.py
index ed6804c..9b2310f 100644
--- a/app/utils/filter_utils.py
+++ b/app/utils/filter_utils.py
@@ -1,4 +1,5 @@
 from bs4 import BeautifulSoup
+import os
 import urllib.parse as urlparse
 from urllib.parse import parse_qs
 
@@ -17,9 +18,9 @@ BLACKLIST = [
 ]
 
 SITE_ALTS = {
-    'twitter.com': 'nitter.net',
-    'youtube.com': 'invidious.snopyta.org',
-    'instagram.com': 'bibliogram.art/u'
+    'twitter.com': os.getenv('WHOOGLE_ALT_TW', 'nitter.net'),
+    'youtube.com': os.getenv('WHOOGLE_ALT_YT', 'invidious.snopyta.org'),
+    'instagram.com': os.getenv('WHOOGLE_ALT_IG', 'bibliogram.art/u')
 }
 
 
diff --git a/test/conftest.py b/test/conftest.py
index 7a15f00..0b29a0f 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -1,6 +1,17 @@
 from app import app
+from app.models.config import Config
 from app.utils.session_utils import generate_user_keys
 import pytest
+import random
+
+demo_config = {
+    'near': random.choice(['Seattle', 'New York', 'San Francisco']),
+    'dark_mode': str(random.getrandbits(1)),
+    'nojs': str(random.getrandbits(1)),
+    'lang_interface': random.choice(Config.LANGUAGES)['value'],
+    'lang_search': random.choice(Config.LANGUAGES)['value'],
+    'ctry': random.choice(Config.COUNTRIES)['value']
+}
 
 
 @pytest.fixture
diff --git a/test/test_results.py b/test/test_results.py
index a7aa771..d9f8a6a 100644
--- a/test/test_results.py
+++ b/test/test_results.py
@@ -3,6 +3,8 @@ from app.filter import Filter
 from app.utils.session_utils import generate_user_keys
 from datetime import datetime
 from dateutil.parser import *
+import json
+import os
 
 
 def get_search_results(data):
@@ -43,6 +45,18 @@ def test_post_results(client):
     assert len(get_search_results(rv.data)) <= 15
 
 
+def test_site_alts(client):
+    rv = client.post('/search', data=dict(q='twitter official account'))
+    assert b'twitter.com/Twitter' in rv.data
+
+    client.post('/config', data=dict(alts=True))
+    assert json.loads(client.get('/config').data)['alts']
+
+    rv = client.post('/search', data=dict(q='twitter official account'))
+    assert b'twitter.com/Twitter' not in rv.data
+    assert b'nitter.net/Twitter' in rv.data
+
+
 def test_recent_results(client):
     times = {
         'past year': 365,
diff --git a/test/test_routes.py b/test/test_routes.py
index ff9e0a2..e3ba084 100644
--- a/test/test_routes.py
+++ b/test/test_routes.py
@@ -1,15 +1,6 @@
-from app.models.config import Config
 import json
-import random
 
-demo_config = {
-    'near': random.choice(['Seattle', 'New York', 'San Francisco']),
-    'dark_mode': str(random.getrandbits(1)),
-    'nojs': str(random.getrandbits(1)),
-    'lang_interface': random.choice(Config.LANGUAGES)['value'],
-    'lang_search': random.choice(Config.LANGUAGES)['value'],
-    'ctry': random.choice(Config.COUNTRIES)['value']
-}
+from test.conftest import demo_config
 
 
 def test_main(client):
@@ -58,4 +49,4 @@ def test_config(client):
 def test_opensearch(client):
     rv = client.get('/opensearch.xml')
     assert rv._status_code == 200
-    assert 'Whoogle' in str(rv.data)
+    assert '<ShortName>Whoogle</ShortName>' in str(rv.data)