diff --git a/README.md b/README.md
index d444877..9d85ca1 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,8 @@ for backend in backends:
    demography = DeepFace.analyze("img4.jpg", detector_backend = backend)
 ```
 
+[MTCNN](https://sefiks.com/2020/09/09/deep-face-detection-with-mtcnn-in-python/) seems to overperform in detection and alignment stages but it is slower than [SSD](https://sefiks.com/2020/08/25/deep-face-detection-with-opencv-in-python/).
+
 **Streaming and Real Time Analysis** - [`Demo`](https://youtu.be/-c9sSJcx6wI)
 
 You can run deepface for real time videos as well.