diff --git a/analysis/links.go b/analysis/links.go
index 3f5a795be1d5a92dc492b88a6304840ed4a31c65..97957ad5c2c36a4f82c0d837b7cdc8d684491dc2 100644
--- a/analysis/links.go
+++ b/analysis/links.go
@@ -26,6 +26,7 @@ var (
 		{"link", "href", crawl.TagRelated},
 		{"img", "src", crawl.TagRelated},
 		{"script", "src", crawl.TagRelated},
+		{"iframe", "src", crawl.TagRelated},
 	}
 )