-            'title': self._og_search_title(webpage),
-            'thumbnail': thumbnail,
-            'uploader': uploader,
-            'uploader_id': uploader_id,
+            'title': self._og_search_description(webpage).strip(),
+            'thumbnail': self._og_search_thumbnail(webpage),
+            'uploader': self._search_regex(
+                r'data-username=(["\'])(?P<uploader>.+?)\1', webpage,
+                'uploader', fatal=False, group='uploader'),
+            'uploader_id': self._search_regex(
+                r'data-user-id=(["\'])(?P<uploader_id>.+?)\1', webpage,
+                'uploader id', fatal=False, group='uploader_id'),