Enable HTTP2 on the default site.

conf.d/default.conf

@@ -6,8 +6,8 @@ server {
 }
 
 server {
-    listen      443 ssl default_server;
-    listen      [::]:443 ssl default_server;
+    listen      443 ssl http2 default_server;
+    listen      [::]:443 ssl http2 default_server;
     include     snippets/ssl.conf;
     location /  { return 301 https://www.shore.co.il$request_uri; }
 }