diff --git a/swh/loader/pypi/loader.py b/swh/loader/pypi/loader.py
--- a/swh/loader/pypi/loader.py
+++ b/swh/loader/pypi/loader.py
@@ -160,6 +160,7 @@
         self._directories = []
         self._revisions = []
         self._load_status = 'uneventful'
+        self._visit_status = 'full'
 
     def fetch_data(self):
         """Called once per release artifact version (can be many for one
@@ -247,6 +248,8 @@
                 branches[branch_name.encode('utf-8')] = target
                 if release == default_release:
                     branches[b'HEAD'] = target
+                if not target:
+                    self._visit_status = 'partial'
             else:
                 # Several artifacts for this release, generate a separate
                 # pointer for each of them
@@ -254,6 +257,8 @@
                     branch_name = 'refs/tags/%s/%s' % (release, filename)
                     target = self.target_from_artifact(filename, sha256)
                     branches[branch_name.encode('utf-8')] = target
+                    if not target:
+                        self._visit_status = 'partial'
 
         snapshot = {
             'branches': branches,
@@ -279,6 +284,9 @@
             'status': self._load_status,
         }
 
+    def visit_status(self):
+        return self._visit_status
+
 
 if __name__ == '__main__':
     import logging
diff --git a/swh/loader/pypi/tests/test_loader.py b/swh/loader/pypi/tests/test_loader.py
--- a/swh/loader/pypi/tests/test_loader.py
+++ b/swh/loader/pypi/tests/test_loader.py
@@ -207,6 +207,7 @@
                               expected_branches)
 
         self.assertEqual(self.loader.load_status(), {'status': 'eventful'})
+        self.assertEqual(self.loader.visit_status(), 'full')
 
 
 class PyPILoaderWithSnapshot(TestPyPILoader):
@@ -306,6 +307,7 @@
         self.assertEquals(expected_snapshot_id, _id)
 
         self.assertEqual(self.loader.load_status(), {'status': 'uneventful'})
+        self.assertEqual(self.loader.visit_status(), 'full')
 
 
 class LoaderNewChangesSinceLastVisitITest(BaseLoaderITest):
@@ -402,6 +404,7 @@
         self.assertNotEqual(expected_snapshot_id, _id)
 
         self.assertEqual(self.loader.load_status(), {'status': 'eventful'})
+        self.assertEqual(self.loader.visit_status(), 'full')
 
 
 class PyPILoaderWithSnapshot2(TestPyPILoader):
@@ -540,3 +543,4 @@
         self.assertNotEqual(expected_snapshot_id, _id)
 
         self.assertEqual(self.loader.load_status(), {'status': 'eventful'})
+        self.assertEqual(self.loader.visit_status(), 'full')