diff --git a/privacy-protections/request-blocking/main.js b/privacy-protections/request-blocking/main.js
index 9a8278a..196bde0 100644
--- a/privacy-protections/request-blocking/main.js
+++ b/privacy-protections/request-blocking/main.js
@@ -300,6 +300,33 @@ const tests = [
             ajax.send();
         }
     },
+    {
+        category: 'js',
+        id: 'sendBeacon',
+        description: 'Try sending data using <code>sendBeacon</code>.',
+        checkAsync: (callback) => {
+            const observer = new PerformanceObserver(observed);
+
+            const checkResource = resource => {
+                if (resource.name.includes(`beacon?${random}`)) {
+                    if (resource.serverTiming.length === 0) {
+                        callback('failed');
+                    } else {
+                        callback('loaded');
+                    }
+                    observer.disconnect();
+                }
+            };
+
+            function observed (list) {
+                list.getEntries().forEach(checkResource);
+            }
+
+            observer.observe({ entryTypes: ['resource'] });
+
+            navigator.sendBeacon(`https://${TRACKER_DOMAIN}/block-me/beacon?${random}`, 'fake=data');
+        }
+    },
     {
         category: 'other',
         id: 'favicon',
diff --git a/server.js b/server.js
index c3f1a1f..eb39b7b 100644
--- a/server.js
+++ b/server.js
@@ -100,6 +100,13 @@ app.post('/block-me/csp', (req, res) => {
     return res.sendStatus(200);
 });
 
+// dummy sednBeacon endopoint
+app.post('/block-me/beacon', (req, res) => {
+    res.set('Timing-Allow-Origin', '*');
+    res.set('Server-Timing', 'loaded');
+    return res.sendStatus(204);
+});
+
 // reflects request headers and request url back
 app.get('/reflect-headers', (req, res) => {
     res.set('Access-Control-Allow-Origin', req.headers.origin || '*');