diff --git a/List/domainset/cdn.conf b/List/domainset/cdn.conf
index 86c8a258..2bc76f16 100644
--- a/List/domainset/cdn.conf
+++ b/List/domainset/cdn.conf
@@ -1006,3 +1006,4 @@ static.gopro.com
 sig.grumpybumpers.com
 images.chesscomfiles.com
 nightly.link
+useruploads.visualwebsiteoptimizer.com