diff --git a/package.json b/package.json
index eed5d6370..d82e5d233 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
 		"@types/js-yaml": "3.11.1",
 		"@types/koa": "2.0.45",
 		"@types/koa-bodyparser": "4.2.0",
+		"@types/koa-compress": "^2.0.8",
 		"@types/koa-favicon": "2.0.19",
 		"@types/koa-mount": "3.0.1",
 		"@types/koa-multer": "1.0.0",
@@ -137,6 +138,7 @@
 		"jsdom": "11.7.0",
 		"koa": "2.5.0",
 		"koa-bodyparser": "4.2.0",
+		"koa-compress": "^2.0.0",
 		"koa-favicon": "2.0.1",
 		"koa-mount": "3.0.0",
 		"koa-multer": "1.0.2",
diff --git a/src/server/index.ts b/src/server/index.ts
index a637e8598..db41a1dcb 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -5,9 +5,11 @@
 import * as fs from 'fs';
 import * as http from 'http';
 import * as http2 from 'http2';
+import * as zlib from 'zlib';
 import * as Koa from 'koa';
 import * as Router from 'koa-router';
 import * as mount from 'koa-mount';
+import * as compress from 'koa-compress';
 
 import activityPub from './activitypub';
 import webFinger from './webfinger';
@@ -17,6 +19,10 @@ import config from '../config';
 const app = new Koa();
 app.proxy = true;
 
+app.use(compress({
+	flush: zlib.constants.Z_SYNC_FLUSH
+}));
+
 // HSTS
 // 6months (15552000sec)
 if (config.url.startsWith('https')) {