--- deflate.conf.orig
+++ deflate.conf
@@ -2,7 +2,9 @@
 	<IfModule mod_filter.c>
 		AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript
 		AddOutputFilterByType DEFLATE application/x-javascript application/javascript application/ecmascript
+		AddOutputFilterByType DEFLATE application/json
 		AddOutputFilterByType DEFLATE application/rss+xml
+		AddOutputFilterByType DEFLATE application/wasm
 		AddOutputFilterByType DEFLATE application/xml
 	</IfModule>
 </IfModule>