diff --git a/api/ssr.mjs b/api/ssr.mjs
index a8e82a7f..051d583d 100644
--- a/api/ssr.mjs
+++ b/api/ssr.mjs
@@ -27,5 +27,6 @@ export default async function handler(req, res) {
   res.statusCode = statusCode
   res.setHeader('Content-Type', contentType)
   res.setHeader('Cache-Control', 's-maxage=1, stale-while-revalidate')
+  res.setHeader('Test', 'test=1')
   res.end(body)
 }