diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a277b1..7bfba9b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Performance
+
+- Slightly improve performance of HTML serialization.
+
 ## [0.14.4] - 2024-12-27
 
 ### Changed
diff --git a/css-inline/src/html/serializer.rs b/css-inline/src/html/serializer.rs
index 20a26b1..477bff5 100644
--- a/css-inline/src/html/serializer.rs
+++ b/css-inline/src/html/serializer.rs
@@ -171,12 +171,12 @@ impl<'a, W: Write> HtmlSerializer<'a, W> {
                     .expect("Invalid substring")
                     .as_bytes(),
             )?;
-            match part {
-                "&" => self.writer.write_all(b"&amp;")?,
-                "\u{00A0}" => self.writer.write_all(b"&nbsp;")?,
-                "<" => self.writer.write_all(b"&lt;")?,
-                ">" => self.writer.write_all(b"&gt;")?,
-                _ => unreachable!("Only the variants above are searched"),
+            match (part.as_bytes()[0] & 0b0000_1110) >> 1 {
+                1 => self.writer.write_all(b"&nbsp;")?,
+                3 => self.writer.write_all(b"&amp;")?,
+                6 => self.writer.write_all(b"&lt;")?,
+                7 => self.writer.write_all(b"&gt;")?,
+                _ => unreachable!(),
             };
             last_end = start.checked_add(part.len()).expect("Size overflow");
         }