diff --git a/src/Site/Site.py b/src/Site/Site.py
index 7b4f5ec3..967a776f 100644
--- a/src/Site/Site.py
+++ b/src/Site/Site.py
@@ -125,7 +125,7 @@ class Site(object):
         if not SiteManager.site_manager.sites.get(self.address):
             SiteManager.site_manager.sites[self.address] = self
             SiteManager.site_manager.load(False)
-        SiteManager.site_manager.save()
+        SiteManager.site_manager.saveDelayed()
 
     def isServing(self):
         if config.offline:
diff --git a/src/Site/SiteManager.py b/src/Site/SiteManager.py
index 9da2b867..4af4e2d5 100644
--- a/src/Site/SiteManager.py
+++ b/src/Site/SiteManager.py
@@ -11,6 +11,7 @@ from Plugin import PluginManager
 from Content import ContentDb
 from Config import config
 from util import helper
+from util import RateLimit
 
 
 @PluginManager.acceptPlugins
@@ -82,6 +83,9 @@ class SiteManager(object):
             self.log.debug("SiteManager added %s sites" % added)
         self.loaded = True
 
+    def saveDelayed(self):
+        RateLimit.callAsync("Save sites.json", allowed_again=5, func=self.save)
+
     def save(self, recalculate_size=False):
         if not self.sites:
             self.log.debug("Save skipped: No sites found")