diff --git a/.changeset/clever-eagles-live.md b/.changeset/clever-eagles-live.md
new file mode 100644
index 000000000000..100f311647d7
--- /dev/null
+++ b/.changeset/clever-eagles-live.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-node': patch
+---
+
+precompress assets (html,js,css,svg,xml) for sirv
diff --git a/packages/adapter-node/README.md b/packages/adapter-node/README.md
index 05ec77ce77e7..b8e12614756a 100644
--- a/packages/adapter-node/README.md
+++ b/packages/adapter-node/README.md
@@ -15,6 +15,7 @@ export default {
 		adapter: adapter({
 			// default options are shown
 			out: 'build'
+			precompress: false,
 		})
 	}
 };
@@ -26,6 +27,10 @@ export default {
 
 The directory to build the server to. It defaults to `build` — i.e. `node build` would start the server locally after it has been created.
 
+### precompress
+
+Enables precompressing using gzip and brotli for assets and prerendered pages. It defaults to `false`.
+
 ## Environment variables
 
 By default, the server will accept connections on `0.0.0.0` using port 3000. These can be customised with the `PORT` and `HOST` environment variables:
diff --git a/packages/adapter-node/index.d.ts b/packages/adapter-node/index.d.ts
index fc87605e6137..2132e79d9a73 100644
--- a/packages/adapter-node/index.d.ts
+++ b/packages/adapter-node/index.d.ts
@@ -1,3 +1,6 @@
-declare function plugin(options?: { out?: string }): import('@sveltejs/kit').Adapter;
+declare function plugin(options?: {
+	out?: string;
+	precompress?: boolean;
+}): import('@sveltejs/kit').Adapter;
 
 export = plugin;
diff --git a/packages/adapter-node/index.js b/packages/adapter-node/index.js
index 5643b87b3dce..da40d19444c6 100644
--- a/packages/adapter-node/index.js
+++ b/packages/adapter-node/index.js
@@ -1,14 +1,21 @@
-import { readFileSync } from 'fs';
+import { readFileSync, statSync, createReadStream, createWriteStream } from 'fs';
 import { join } from 'path';
 import { fileURLToPath } from 'url';
+import { pipeline } from 'stream';
+import { promisify } from 'util';
+import zlib from 'zlib';
 import esbuild from 'esbuild';
+import fg from 'fast-glob';
+
+const pipe = promisify(pipeline);
 
 /**
  * @param {{
  *   out?: string;
+ *   precompress?: boolean
  * }} options
  */
-export default function ({ out = 'build' } = {}) {
+export default function ({ out = 'build', precompress } = {}) {
 	/** @type {import('@sveltejs/kit').Adapter} */
 	const adapter = {
 		name: '@sveltejs/adapter-node',
@@ -19,6 +26,11 @@ export default function ({ out = 'build' } = {}) {
 			utils.copy_client_files(static_directory);
 			utils.copy_static_files(static_directory);
 
+			if (precompress) {
+				utils.log.minor('Precompressing assets');
+				await compress(static_directory);
+			}
+
 			utils.log.minor('Building server');
 			const files = fileURLToPath(new URL('./files', import.meta.url));
 			utils.copy(files, '.svelte-kit/node');
@@ -36,8 +48,51 @@ export default function ({ out = 'build' } = {}) {
 			await utils.prerender({
 				dest: `${out}/prerendered`
 			});
+			if (precompress) {
+				await compress(`${out}/prerendered`);
+			}
 		}
 	};
 
 	return adapter;
 }
+
+/**
+ * @param {string} directory
+ */
+async function compress(directory) {
+	const files = await fg('*.{html,js,json,css,svg,xml}', {
+		cwd: directory,
+		dot: true,
+		absolute: true,
+		baseNameMatch: true
+	});
+
+	for await (const file of files) {
+		await Promise.all([compress_file(file, 'gz'), compress_file(file, 'br')]);
+	}
+}
+
+/**
+ * @param {string} file
+ * @param {'gz' | 'br'} format
+ */
+async function compress_file(file, format = 'gz') {
+	const compress =
+		format == 'br'
+			? zlib.createBrotliCompress({
+					params: {
+						[zlib.constants.BROTLI_PARAM_MODE]: zlib.constants.BROTLI_MODE_TEXT,
+						[zlib.constants.BROTLI_PARAM_QUALITY]: zlib.constants.BROTLI_MAX_QUALITY,
+						[zlib.constants.BROTLI_PARAM_SIZE_HINT]: statSync(file).size
+					}
+			  })
+			: zlib.createGzip({
+					level: zlib.constants.Z_BEST_COMPRESSION
+			  });
+
+	const source = createReadStream(file);
+	const destination = createWriteStream(`${file}.${format}`);
+
+	await pipe(source, compress, destination);
+}
diff --git a/packages/adapter-node/package.json b/packages/adapter-node/package.json
index 73a6c004a63c..1bb0742ac973 100644
--- a/packages/adapter-node/package.json
+++ b/packages/adapter-node/package.json
@@ -21,7 +21,8 @@
 		"prepublishOnly": "npm run build"
 	},
 	"dependencies": {
-		"esbuild": "^0.12.5"
+		"esbuild": "^0.12.5",
+		"fast-glob": "^3.2.5"
 	},
 	"devDependencies": {
 		"@rollup/plugin-json": "^4.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 693d088d4c12..f8e3c51ecaab 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -96,6 +96,7 @@ importers:
       c8: ^7.7.2
       compression: ^1.7.4
       esbuild: ^0.12.5
+      fast-glob: ^3.2.5
       node-fetch: ^3.0.0-beta.9
       polka: ^1.0.0-next.15
       rollup: ^2.47.0
@@ -104,6 +105,7 @@ importers:
       uvu: ^0.5.1
     dependencies:
       esbuild: 0.12.5
+      fast-glob: 3.2.5
     devDependencies:
       '@rollup/plugin-json': 4.1.0_rollup@2.47.0
       '@sveltejs/kit': link:../kit
@@ -548,12 +550,10 @@ packages:
     dependencies:
       '@nodelib/fs.stat': 2.0.4
       run-parallel: 1.2.0
-    dev: true
 
   /@nodelib/fs.stat/2.0.4:
     resolution: {integrity: sha512-IYlHJA0clt2+Vg7bccq+TzRdJvv19c2INqBSsoOLp1je7xjtr7J26+WXR72MCdvU9q1qTzIWDfhMf+DRvQJK4Q==}
     engines: {node: '>= 8'}
-    dev: true
 
   /@nodelib/fs.walk/1.2.6:
     resolution: {integrity: sha512-8Broas6vTtW4GIXTAHDoE32hnN2M5ykgCpWGbuXHQ15vEMqr23pB76e/GZcYsZCHALv50ktd24qhEyKr6wBtow==}
@@ -561,7 +561,6 @@ packages:
     dependencies:
       '@nodelib/fs.scandir': 2.1.4
       fastq: 1.11.0
-    dev: true
 
   /@polka/url/1.0.0-next.15:
     resolution: {integrity: sha512-15spi3V28QdevleWBNXE4pIls3nFZmBbUGrW9IVPwiQczuSb9n76TCB4bsk8TSel+I1OkHEdPhu5QKMfY6rQHA==}
@@ -1086,7 +1085,6 @@ packages:
     engines: {node: '>=8'}
     dependencies:
       fill-range: 7.0.1
-    dev: true
 
   /breakword/1.0.5:
     resolution: {integrity: sha512-ex5W9DoOQ/LUEU3PMdLs9ua/CYZl1678NUkKOdUSi8Aw5F1idieaiRURCBFJCwVcrD1J8Iy3vfWSloaMwO2qFg==}
@@ -1775,7 +1773,6 @@ packages:
       merge2: 1.4.1
       micromatch: 4.0.4
       picomatch: 2.2.3
-    dev: true
 
   /fast-json-stable-stringify/2.1.0:
     resolution: {integrity: sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==}
@@ -1789,7 +1786,6 @@ packages:
     resolution: {integrity: sha512-7Eczs8gIPDrVzT+EksYBcupqMyxSHXXrHOLRRxU2/DicV8789MRBRR8+Hc2uWzUupOs4YS4JzBmBxjjCVBxD/g==}
     dependencies:
       reusify: 1.0.4
-    dev: true
 
   /fd-slicer/1.1.0:
     resolution: {integrity: sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=}
@@ -1819,7 +1815,6 @@ packages:
     engines: {node: '>=8'}
     dependencies:
       to-regex-range: 5.0.1
-    dev: true
 
   /find-up/2.1.0:
     resolution: {integrity: sha1-RdG35QbHF93UgndaK3eSCjwMV6c=}
@@ -1941,7 +1936,6 @@ packages:
     engines: {node: '>= 6'}
     dependencies:
       is-glob: 4.0.1
-    dev: true
 
   /glob/7.1.6:
     resolution: {integrity: sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==}
@@ -2140,7 +2134,6 @@ packages:
   /is-extglob/2.1.1:
     resolution: {integrity: sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=}
     engines: {node: '>=0.10.0'}
-    dev: true
 
   /is-fullwidth-code-point/2.0.0:
     resolution: {integrity: sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=}
@@ -2157,7 +2150,6 @@ packages:
     engines: {node: '>=0.10.0'}
     dependencies:
       is-extglob: 2.1.1
-    dev: true
 
   /is-module/1.0.0:
     resolution: {integrity: sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE=}
@@ -2176,7 +2168,6 @@ packages:
   /is-number/7.0.0:
     resolution: {integrity: sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==}
     engines: {node: '>=0.12.0'}
-    dev: true
 
   /is-plain-obj/1.1.0:
     resolution: {integrity: sha1-caUMhCnfync8kqOQpKA7OfzVHT4=}
@@ -2456,7 +2447,6 @@ packages:
   /merge2/1.4.1:
     resolution: {integrity: sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==}
     engines: {node: '>= 8'}
-    dev: true
 
   /micromatch/4.0.4:
     resolution: {integrity: sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==}
@@ -2464,7 +2454,6 @@ packages:
     dependencies:
       braces: 3.0.2
       picomatch: 2.2.3
-    dev: true
 
   /mime-db/1.47.0:
     resolution: {integrity: sha512-QBmA/G2y+IfeS4oktet3qRZ+P5kPhCKRXxXnQEudYqUaEioAU1/Lq2us3D/t1Jfo4hE9REQPrbB7K5sOczJVIw==}
@@ -2962,7 +2951,6 @@ packages:
 
   /queue-microtask/1.2.3:
     resolution: {integrity: sha512-NuaNSa6flKT5JaSYQzJok04JzTL1CA6aGhv5rfLW3PgqA+M2ChpZQnAC8h8i4ZFkBS8X5RqkDBHA7r4hej3K9A==}
-    dev: true
 
   /quick-lru/4.0.1:
     resolution: {integrity: sha512-ARhCpm70fzdcvNQfPoy49IaanKkTlRWF2JMzqhcJbhSFRZv7nPTvZJdcY7301IPmvW+/p0RgIWnQDLJxifsQ7g==}
@@ -3086,7 +3074,6 @@ packages:
   /reusify/1.0.4:
     resolution: {integrity: sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==}
     engines: {iojs: '>=1.0.0', node: '>=0.10.0'}
-    dev: true
 
   /rimraf/3.0.2:
     resolution: {integrity: sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==}
@@ -3106,7 +3093,6 @@ packages:
     resolution: {integrity: sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==}
     dependencies:
       queue-microtask: 1.2.3
-    dev: true
 
   /sade/1.7.4:
     resolution: {integrity: sha512-y5yauMD93rX840MwUJr7C1ysLFBgMspsdTo4UVrDg3fXDvtwOyIqykhVAAm6fk/3au77773itJStObgK+LKaiA==}
@@ -3578,7 +3564,6 @@ packages:
     engines: {node: '>=8.0'}
     dependencies:
       is-number: 7.0.0
-    dev: true
 
   /totalist/1.1.0:
     resolution: {integrity: sha512-gduQwd1rOdDMGxFG1gEvhV88Oirdo2p+KjoYFU7k2g+i7n6AFFbDQ5kMPUsW0pNbfQsB/cwXvT1i4Bue0s9g5g==}