diff --git a/internal/api/server.go b/internal/api/server.go
index 5d40ec3..53ef89d 100644
--- a/internal/api/server.go
+++ b/internal/api/server.go
@@ -250,29 +250,22 @@ func (s *Server) setupRoutes() {
 	// Mount management routes (if manager initialized)
 	if s.mountsHandlers != nil {
 		s.mountsHandlers.RegisterRoutes(s.router)
-		log.Println("[API] Mount management routes registered at /api/mounts/*")
 	}
 
-	log.Println("[API] Metadata Editor routes registered at /api/metadata/*")
-	log.Println("[API] KV Browser routes registered at /api/kv/*")
-
 	// File watcher routes (if watcher initialized)
 	if s.watcherHandlers != nil {
 		s.watcherHandlers.RegisterRoutes(s.router)
-		log.Println("[API] File watcher routes registered at /api/events/*, /api/scan/*")
 	}
 
 	// Watchers management routes (if watchers initialized)
 	if s.watchersHandlers != nil {
 		s.watchersHandlers.RegisterRoutes(s.router)
-		log.Println("[API] Watchers management routes registered at /api/watchers/*")
 	}
 
 	// WebDAV handler (caching is handled by nginx proxy_cache)
 	if s.webdavHandler != nil {
 		s.router.PathPrefix("/webdav/").Handler(s.webdavHandler)
 		s.router.PathPrefix("/webdav").Handler(s.webdavHandler)
-		log.Println("[API] WebDAV routes registered at /webdav/*")
 	}
 
 	// Add middleware
@@ -421,12 +414,49 @@ func (s *Server) RepublishMetadata() (int, error) {
 	return s.metaPublisher.RepublishAllMetadata(republishFunc)
 }
 
-// loggingMiddleware logs all requests
+// statusRecorder captures the response status so loggingMiddleware can stay
+// silent on success and only report failures. It forwards Flush/Unwrap so SSE
+// and other streaming handlers keep working through the wrapper.
+type statusRecorder struct {
+	http.ResponseWriter
+	status  int
+	written bool
+}
+
+func (r *statusRecorder) WriteHeader(code int) {
+	if !r.written {
+		r.status = code
+		r.written = true
+	}
+	r.ResponseWriter.WriteHeader(code)
+}
+
+func (r *statusRecorder) Write(b []byte) (int, error) {
+	if !r.written {
+		r.status = http.StatusOK
+		r.written = true
+	}
+	return r.ResponseWriter.Write(b)
+}
+
+func (r *statusRecorder) Flush() {
+	if f, ok := r.ResponseWriter.(http.Flusher); ok {
+		f.Flush()
+	}
+}
+
+func (r *statusRecorder) Unwrap() http.ResponseWriter { return r.ResponseWriter }
+
+// loggingMiddleware logs a request only when it fails (status >= 400), keeping
+// the nominal case quiet. Successful requests are not logged.
 func loggingMiddleware(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		start := time.Now()
-		next.ServeHTTP(w, r)
-		log.Printf("[API] %s %s %s", r.Method, r.URL.Path, time.Since(start))
+		rec := &statusRecorder{ResponseWriter: w, status: http.StatusOK}
+		next.ServeHTTP(rec, r)
+		if rec.status >= 400 {
+			log.Printf("[API] %s %s -> %d (%s)", r.Method, r.URL.Path, rec.status, time.Since(start))
+		}
 	})
 }
 
diff --git a/internal/mounts/poller.go b/internal/mounts/poller.go
index 4870cd0..f2e0109 100644
--- a/internal/mounts/poller.go
+++ b/internal/mounts/poller.go
@@ -44,6 +44,8 @@ type PollingStatus struct {
 	CurrentScanStartedAt int64 `json:"currentScanStartedAt,omitempty"` // ms; start of in-flight scan
 	LastScanDurationMs   int64 `json:"lastScanDurationMs,omitempty"`   // duration of the previous scan
 	NextScanAt           int64 `json:"nextScanAt,omitempty"`           // ms; planned start of next adaptive scan
+	LastFileCount        int   `json:"-"`                              // last observed file count; used to suppress no-change scan logs
+	scanned              bool  // true once at least one scan has completed for this mount
 }
 
 // Poller manages per-mount polling goroutines
@@ -309,16 +311,22 @@ func (p *Poller) executeScan(mountID, mountPath string) (time.Duration, error) {
 	end := time.Now()
 	duration := end.Sub(start)
 
+	// Only log a completed scan when the file count changed (or on the very
+	// first scan) so a steady mount doesn't emit one line per poll tick.
+	changed := true
 	p.mu.Lock()
 	if status, exists := p.status[mountID]; exists {
 		status.Scanning = false
 		status.CurrentScanStartedAt = 0
 		status.LastScan = end.UnixMilli()
 		status.LastScanDurationMs = duration.Milliseconds()
+		changed = !status.scanned || status.LastFileCount != fileCount
+		status.LastFileCount = fileCount
+		status.scanned = true
 	}
 	p.mu.Unlock()
 
-	if err == nil {
+	if err == nil && changed {
 		log.Printf("[Poller] Poll scan complete for mount %s: %d files in %s", mountID, fileCount, duration.Round(time.Millisecond))
 	}
 
diff --git a/internal/watcher/watcher.go b/internal/watcher/watcher.go
index 03dab3f..8b940d5 100644
--- a/internal/watcher/watcher.go
+++ b/internal/watcher/watcher.go
@@ -422,10 +422,9 @@ func (w *Watcher) ScanMountPath(mountPath string) (int, error) {
 		return 0, nil
 	}
 
-	// Scan the directory
-	log.Printf("[Watcher] Scanning mount path: %s", mountPath)
+	// Scan the directory. The mount poller reports completed scans (only when
+	// the file count changes), so nothing is logged per scan here.
 	count := w.ScanDirectory(mountPath)
-	log.Printf("[Watcher] Mount scan complete: %s (%d files)", mountPath, count)
 
 	return count, nil
 }
diff --git a/internal/webdav/handler.go b/internal/webdav/handler.go
index 9f06c5b..95aa883 100644
--- a/internal/webdav/handler.go
+++ b/internal/webdav/handler.go
@@ -50,8 +50,6 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		path = "/"
 	}
 
-	log.Printf("[WebDAV] %s %s", r.Method, path)
-
 	switch r.Method {
 	case "GET", "HEAD":
 		h.handleRead(w, r, path)