diff --git a/docs/_css/index.css b/docs/_css/index.css
index 3cea5a72..8e7627b2 100644
--- a/docs/_css/index.css
+++ b/docs/_css/index.css
@@ -83,21 +83,21 @@ body {
 }
 
 #element1 {
-    background-image: url("../images/Backgrounds/FreeJ2ME_BG2.png");
+    background-image: url("../images/Backgrounds/FreeJ2ME_BG2.webp");
     background-repeat: repeat-x;
     width: 5660px;
     animation: slidegamebg 90s linear reverse infinite;
 }
 
 #element2 {
-    background-image: url("../images/Backgrounds/FreeJ2ME_BG1.png");
+    background-image: url("../images/Backgrounds/FreeJ2ME_BG1.webp");
     background-repeat: repeat-x;
     width: 5660px;
     animation: slidegamebg 60s linear infinite;
 }
 
 #element3 {
-    background-image: url("../images/Backgrounds/FreeJ2ME_BG3.png");
+    background-image: url("../images/Backgrounds/FreeJ2ME_BG3.webp");
     background-repeat: repeat-x;
     width: 5660px;
     animation: slidegamebg 45s linear reverse infinite;
@@ -491,4 +491,4 @@ iframe {
     #firstpane-content-right p {
         font-size: 1.3em;
     }
-}
\ No newline at end of file
+}
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG1.png b/docs/images/Backgrounds/FreeJ2ME_BG1.png
deleted file mode 100644
index d9317be6..00000000
Binary files a/docs/images/Backgrounds/FreeJ2ME_BG1.png and /dev/null differ
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG1.webp b/docs/images/Backgrounds/FreeJ2ME_BG1.webp
new file mode 100644
index 00000000..60477410
Binary files /dev/null and b/docs/images/Backgrounds/FreeJ2ME_BG1.webp differ
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG2.png b/docs/images/Backgrounds/FreeJ2ME_BG2.png
deleted file mode 100644
index 90812b05..00000000
Binary files a/docs/images/Backgrounds/FreeJ2ME_BG2.png and /dev/null differ
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG2.webp b/docs/images/Backgrounds/FreeJ2ME_BG2.webp
new file mode 100644
index 00000000..7ab514b6
Binary files /dev/null and b/docs/images/Backgrounds/FreeJ2ME_BG2.webp differ
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG3.png b/docs/images/Backgrounds/FreeJ2ME_BG3.png
deleted file mode 100644
index fefd0797..00000000
Binary files a/docs/images/Backgrounds/FreeJ2ME_BG3.png and /dev/null differ
diff --git a/docs/images/Backgrounds/FreeJ2ME_BG3.webp b/docs/images/Backgrounds/FreeJ2ME_BG3.webp
new file mode 100644
index 00000000..413e1c31
Binary files /dev/null and b/docs/images/Backgrounds/FreeJ2ME_BG3.webp differ