diff --git a/charset_normalizer/md.py b/charset_normalizer/md.py
index a1dbc41f..6021e028 100644
--- a/charset_normalizer/md.py
+++ b/charset_normalizer/md.py
@@ -155,6 +155,7 @@ def feed(self, character: str) -> None:
             character not in {"\n", "\t", "\r", "\v"}
             and character.isprintable() is False
             and character.isspace() is False
+            and ord(character) != 0x1A  # Why? Its the ASCII substitute character.
         ):
             self._unprintable_count += 1
         self._character_count += 1
@@ -218,7 +219,27 @@ def eligible(self, character: str) -> bool:
     def feed(self, character: str) -> None:
         self._character_count += 1
 
-        if character.isspace() or is_punctuation(character):
+        if (
+            character.isspace()
+            or is_punctuation(character)
+            or character
+            in [
+                "<",
+                ">",
+                "=",
+                ":",
+                "/",
+                "&",
+                ";",
+                "{",
+                "}",
+                "[",
+                "]",
+                ",",
+                "|",
+                '"',
+            ]
+        ):
             self._last_printable_seen = None
             return