diff --git a/qutebrowser/network/qutescheme.py b/qutebrowser/network/qutescheme.py
index 30a5fa69d..548a7bf33 100644
--- a/qutebrowser/network/qutescheme.py
+++ b/qutebrowser/network/qutescheme.py
@@ -17,6 +17,8 @@
 
 """Handler functions for different qute:... pages."""
 
+import logging
+
 from qutebrowser.network.schemehandler import (SchemeHandler,
                                                SpecialNetworkReply)
 from qutebrowser.utils.version import version
@@ -104,6 +106,7 @@ class QuteSchemeHandler(SchemeHandler):
         # FIXME handle unknown pages
         # FIXME adjust URLutils based on handlers
 
+        logging.debug('request: {}'.format(request))
         data = handle(urlstring(request.url()))
         return SpecialNetworkReply(request, data, "text/html", self.parent())
 
diff --git a/qutebrowser/network/schemehandler.py b/qutebrowser/network/schemehandler.py
index ec119f4d3..1949da39b 100644
--- a/qutebrowser/network/schemehandler.py
+++ b/qutebrowser/network/schemehandler.py
@@ -20,6 +20,8 @@
 
 """Base class for custom scheme handlers."""
 
+import logging
+
 from PyQt5.QtNetwork import QNetworkReply, QNetworkRequest
 from PyQt5.QtCore import pyqtSlot, QObject, QIODevice, QByteArray
 
@@ -96,6 +98,7 @@ class SpecialNetworkReply(QNetworkReply):
         if self._data.length() == 0:
             self.finished.emit()
         return self._data.length() + super().bytesAvailable()
+        logging.debug("bytes available: {}".format(len(self._data)))
 
     def readData(self, maxlen):
         """Retrieve data from the reply object.
@@ -115,4 +118,5 @@ class SpecialNetworkReply(QNetworkReply):
         self._data.remove(0, len_)
         if self._data.length() == 0:
             self.finished.emit()
+        logging.debug("readdata, len {}, maxlen {}, buf {}".format(len(self._data), maxlen, buf))
         return buf