diff --git a/app/lookup/[domain]/certs/page.tsx b/app/lookup/[domain]/certs/page.tsx
index 6458172..9670a35 100644
--- a/app/lookup/[domain]/certs/page.tsx
+++ b/app/lookup/[domain]/certs/page.tsx
@@ -195,6 +195,7 @@ const CertsResultsPage: FC<CertsResultsPageProps> = async ({
           }
           target="_blank"
           rel="noreferrer noopener"
+          data-umami-event="goto-certsh-overview"
           className="cursor-pointer select-none decoration-slate-700 decoration-dotted underline-offset-4 hover:underline dark:decoration-slate-300"
         >
           Sectigo&apos;s crt.sh