troubleshooting why nvs playviewer takes so long to load in production

app/plugins/nvs/views.py

@@ -30,6 +30,8 @@ def splash(request):
 
 
 def playviewer(request, corpus_id=None, play_prefix=None):
+    start_time = time.time()
+
     nvs_page = "variorum-viewer"
     site_request = False
     corpora_url = 'https://' if settings.USE_SSL else 'http://'
@@ -162,6 +164,8 @@ def playviewer(request, corpus_id=None, play_prefix=None):
 
     witnesses, wit_counter, witness_centuries = get_nvs_witnesses(corpus, play)
 
+    print(time.time() - start_time)
+
     return render(
         request,
         'playviewer.html',