diff --git a/backend/package-lock.json b/backend/package-lock.json
index f1978985..af4f6e60 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.1",
       "dependencies": {
         "@silvia-odwyer/photon-node": "^0.3.1",
+        "blocked-at": "^1.2.0",
         "bufferutil": "^4.0.3",
         "cors": "^2.8.5",
         "cross-env": "^5.2.0",
@@ -1074,6 +1075,11 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "node_modules/blocked-at": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/blocked-at/-/blocked-at-1.2.0.tgz",
+      "integrity": "sha512-Ba9yhK4KcFrgqEPgsU0qVGiMimf+VrD9QJo9pgwjg4yl0GXwgOJS8IRx2rPepQjalrmUdGTqX47bSuJLUMLX7w=="
+    },
     "node_modules/blueimp-md5": {
       "version": "2.16.0",
       "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.16.0.tgz",
@@ -6783,6 +6789,11 @@
         "file-uri-to-path": "1.0.0"
       }
     },
+    "blocked-at": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/blocked-at/-/blocked-at-1.2.0.tgz",
+      "integrity": "sha512-Ba9yhK4KcFrgqEPgsU0qVGiMimf+VrD9QJo9pgwjg4yl0GXwgOJS8IRx2rPepQjalrmUdGTqX47bSuJLUMLX7w=="
+    },
     "blueimp-md5": {
       "version": "2.16.0",
       "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.16.0.tgz",
diff --git a/backend/package.json b/backend/package.json
index 91516ab9..0bbe2565 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "@silvia-odwyer/photon-node": "^0.3.1",
+    "blocked-at": "^1.2.0",
     "bufferutil": "^4.0.3",
     "cors": "^2.8.5",
     "cross-env": "^5.2.0",
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 142e3a07..6f284cc9 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -29,6 +29,7 @@ import { runUpcomingScheduledPostsLoop } from "./data/loops/upcomingScheduledPos
 import { runExpiringTempbansLoop } from "./data/loops/expiringTempbansLoop";
 import { runExpiringVCAlertsLoop } from "./data/loops/expiringVCAlertsLoop";
 import { runExpiredArchiveDeletionLoop } from "./data/loops/expiredArchiveDeletionLoop";
+import blockedAt from "blocked-at";
 
 if (!process.env.KEY) {
   // tslint:disable-next-line:no-console
@@ -336,6 +337,13 @@ connect().then(async () => {
     logRateLimit(data);
   });
 
+  blockedAt(
+    (time, stack) => {
+      console.error(`Blocked for ${time}ms, operation started here:`, stack);
+    },
+    { threshold: 750 },
+  );
+
   bot.on("loadingFinished", async () => {
     runExpiringMutesLoop();
     await sleep(10 * SECONDS);