diff --git a/src/index.ts b/src/index.ts
index dddf598..e1d54a7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,20 +12,20 @@ fastify.register(cors, {
 
 fastify.all("/search", async (req, r) => {
 	let { q } = (req.query as any);
-	let res = await backend.getSearch(q);
-	return res;
+	r.header("cache-control", "max-age=604800");
+	return await backend.getSearch(q);
 });
 
 fastify.all("/search/suggestions", async (req, r) => {
 	let { q } = (req.query as any);
-	let res = await backend.getSearchSuggestions(q);
-	return res;
+	r.header("cache-control", "max-age=604800");
+	return await backend.getSearchSuggestions(q);
 });
 
 fastify.get("/track/:id", async (req, r) => {
 	let { id } = (req.params as any);
-	let res = await backend.getInfo(id);
-	return res;
+	r.header("cache-control", "max-age=604800");
+	return await backend.getInfo(id);
 });
 
 fastify.get("/tracks/:ids", async (req, r) => {
@@ -39,19 +39,21 @@ fastify.get("/tracks/:ids", async (req, r) => {
 			if (i == list.length) resolve(tracks);
 		});
 	});
+	r.header("cache-control", "max-age=604800");
 	return await res;
 });
 
 fastify.get("/track/:id/cover/:size", async (req, r) => {
 	let { id, size } = (req.params as any);
 	let res = await backend.getThumbnail(id, size);
+	r.header("cache-control", "max-age=604800");
 	return await fetch(res);
 });
 
 fastify.get("/track/:id/stream", async (req, r) => {
 	let { id } = (req.params as any);
-	let res = await backend.stream(id);
-	return res;
+	r.header("cache-control", "max-age=604800");
+	return await backend.stream(id);
 });
 
 fastify.get("/track/:id/download", async (req, r) => {
@@ -59,6 +61,7 @@ fastify.get("/track/:id/download", async (req, r) => {
 	let data = await backend.download(id);
 	r.header("content-disposition", `inline; filename="${data.filename}"`);
 	r.header("content-type", "application/octet-stream");
+	r.header("cache-control", "max-age=604800");
 	return data.stream;
 });