diff --git a/public/fonts/SourceSans3-Italic-VariableFont_wght.ttf b/public/fonts/SourceSans3-Italic-VariableFont_wght.ttf
deleted file mode 100644
index 660d1f65..00000000
Binary files a/public/fonts/SourceSans3-Italic-VariableFont_wght.ttf and /dev/null differ
diff --git a/public/fonts/SourceSans3-Italic-VariableFont_wght.woff2 b/public/fonts/SourceSans3-Italic-VariableFont_wght.woff2
new file mode 100644
index 00000000..c0bb1887
Binary files /dev/null and b/public/fonts/SourceSans3-Italic-VariableFont_wght.woff2 differ
diff --git a/public/fonts/SourceSans3-VariableFont_wght.ttf b/public/fonts/SourceSans3-VariableFont_wght.ttf
deleted file mode 100644
index d2388698..00000000
Binary files a/public/fonts/SourceSans3-VariableFont_wght.ttf and /dev/null differ
diff --git a/public/fonts/SourceSans3-VariableFont_wght.woff2 b/public/fonts/SourceSans3-VariableFont_wght.woff2
new file mode 100644
index 00000000..ca09c91b
Binary files /dev/null and b/public/fonts/SourceSans3-VariableFont_wght.woff2 differ
diff --git a/src/styles/main.css b/src/styles/main.css
index cac60682..edcb3a45 100644
--- a/src/styles/main.css
+++ b/src/styles/main.css
@@ -3,13 +3,17 @@
 \*------------------------------------*/
 @font-face {
   font-family: "Source Sans 3";
-  src: url("/fonts/SourceSans3-VariableFont_wght.ttf");
+  src: url("/fonts/SourceSans3-VariableFont_wght.woff2") format("woff2");
+  font-weight: 200 900;
+  font-display: swap;
   font-style: normal;
 }
 
 @font-face {
   font-family: "Source Sans 3";
-  src: url("/fonts/SourceSans3-Italic-VariableFont_wght.ttf");
+  src: url("/fonts/SourceSans3-Italic-VariableFont_wght.woff2") format("woff2");
+  font-weight: 200 900;
+  font-display: swap;
   font-style: italic;
 }