diff --git a/app.py b/app.py
index 4312897..4807747 100644
--- a/app.py
+++ b/app.py
@@ -283,11 +283,14 @@ def proxy(video_id):
     logger.info(f"Received request for video ID: {video_id}")
 
     if cache:
+        logging.info(f"Checking cache for video ID: {video_id}")
         cached_html = cache.get(video_id)
         if cached_html is not None:
             logger.info(f"Using cached response for video ID: {video_id}")
             return Response(cached_html, mimetype="text/html")  # type: ignore
 
+    logging.info(f"Cache miss for video ID: {video_id} - fetching")
+
     # Not in cache or cache expired; fetch from nicovideo.jp
     real_url = f"https://www.nicovideo.jp/watch/{video_id}"
     params, soup = get_data(video_id, real_url)