diff --git a/swh/web/common/origin_visits.py b/swh/web/common/origin_visits.py
--- a/swh/web/common/origin_visits.py
+++ b/swh/web/common/origin_visits.py
@@ -54,8 +54,11 @@
 
     origin_visits = []
 
+    if not cache_entry:
+        last_visit = None
+
     per_page = archive.MAX_LIMIT
-    last_visit = None
+
     while 1:
         visits = list(
             archive.lookup_origin_visits(
@@ -77,6 +80,10 @@
 
     origin_visits = sorted(origin_visits, key=lambda v: _visit_sort_key(v))
 
+    if cache_entry:
+        # cache entry is already sorted with oldest visits
+        origin_visits = cache_entry + origin_visits
+
     cache.set(cache_entry_id, origin_visits)
 
     return origin_visits