diff --git a/east_asian_spacing/builder.py b/east_asian_spacing/builder.py
index 813083e..f3e7292 100755
--- a/east_asian_spacing/builder.py
+++ b/east_asian_spacing/builder.py
@@ -73,11 +73,11 @@ async def _config_for_font(self, font: Font) -> Optional[Config]:
             logger.info('Skipped because monospace: "%s"', font)
             return None
         if font.is_aat_morx:
-            logger.info('Skipped because AAT morx is not supported: "%s"',
-                        font)
+            logger.warning('Skipped because AAT morx is not supported: "%s"',
+                           font)
             return None
         if EastAsianSpacing.font_has_feature(font):
-            logger.info('Skipped because the features exist: "%s"', font)
+            logger.warning('Skipped because the features exist: "%s"', font)
             return None
         return config
 
@@ -272,7 +272,10 @@ async def main():
             builder = Builder(font, config)
             await builder.build()
             if not builder.has_spacings:
-                logger.warning('Skipped saving due to no changes: "%s"', input)
+                if builder.config.for_font(builder.font) is None:
+                    logger.info('Skipped by config: "%s"', input)
+                else:
+                    logger.warning('Skipped due to no changes: "%s"', input)
                 continue
             builder.save(args.output,
                          stem_suffix=args.suffix,
diff --git a/east_asian_spacing/spacing.py b/east_asian_spacing/spacing.py
index d40a665..07b144a 100755
--- a/east_asian_spacing/spacing.py
+++ b/east_asian_spacing/spacing.py
@@ -32,6 +32,8 @@ def __init__(self, left=None, right=None, middle=None, space=None):
         self.right = right if right is not None else set()
         self.middle = middle if middle is not None else set()
         self.space = space if space is not None else set()
+
+        self._add_glyphs_count = 0
         # For checking purposes. Because this class keeps glyph IDs, using the
         # same instance for different fonts may lead to unexpected behaviors,
         # except they share the same glyph set.
@@ -117,13 +119,13 @@ def add_by_ink_part(self, glyphs, font):
 
     async def add_glyphs(self, font, config):
         self.assert_font(font)
-        if not await Shaper.ensure_fullwidth_advance(font):
-            logger.info('Skipped because proportional CJK: "%s"', font)
-            return
         config = config.for_font(font)
         if not config:
             logger.info('Skipped by config: "%s"', font)
             return
+        if not await Shaper.ensure_fullwidth_advance(font):
+            logger.warning('Skipped because proportional CJK: "%s"', font)
+            return
         results = await asyncio.gather(self.get_opening_closing(font, config),
                                        self.get_period_comma(font, config),
                                        self.get_colon_semicolon(font, config),
@@ -132,6 +134,7 @@ async def add_glyphs(self, font, config):
             self.unite(result)
         self.add_to_cache(font)
         self.assert_glyphs_are_disjoint()
+        self._add_glyphs_count += 1
 
     async def _shape(self, font, unicodes, language=None, temporary=False):
         text = ''.join(chr(c) for c in unicodes)
@@ -384,7 +387,8 @@ def add_to_font(self, font: Font) -> bool:
         self.assert_font(font)
         self.assert_glyphs_are_disjoint()
         if not self._can_add_to_table:
-            logger.info('Skipped because no pairs: "%s"', font)
+            if self._add_glyphs_count:
+                logger.warning('Skipped because no pairs: "%s"', font)
             return False
 
         table = font.gpos_ottable(create=True)