diff --git a/server.js b/server.js
index 32b5641..4315621 100644
--- a/server.js
+++ b/server.js
@@ -78,9 +78,9 @@ function readBody(req) {
 const server = createServer(async (req, res) => {
   const { pathname } = new URL(req.url, BASE_URL);
 
-  if (req.method === 'GET' && pathname === '/') {
+  if ((req.method === 'GET' || req.method === 'HEAD') && pathname === '/') {
     res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' });
-    res.end(INDEX_HTML);
+    res.end(req.method === 'HEAD' ? undefined : INDEX_HTML);
     return;
   }