diff --git a/frontend/public/images/after.png b/frontend/public/images/after.png
deleted file mode 100644
index 1854551..0000000
Binary files a/frontend/public/images/after.png and /dev/null differ
diff --git a/frontend/public/images/before.png b/frontend/public/images/before.png
deleted file mode 100644
index 4c4285c..0000000
Binary files a/frontend/public/images/before.png and /dev/null differ
diff --git a/frontend/public/images/favicon.png b/frontend/public/images/favicon.png
deleted file mode 100644
index 4583354..0000000
Binary files a/frontend/public/images/favicon.png and /dev/null differ
diff --git a/frontend/src/data/site.ts b/frontend/src/data/site.ts
index 41dc5f7..d51f248 100644
--- a/frontend/src/data/site.ts
+++ b/frontend/src/data/site.ts
@@ -87,8 +87,8 @@ export const PROJECTS: Project[] = [
 export const BEFORE_AFTER = {
   title: 'از کانسپت تا خلق واقعیت',
   lead: 'دستگیره را بکشید و ببینید نمای ساختمانی چگونه از حالت اولیه به فرم مدرن تبدیل می‌شود.',
-  before: '/images/before.png',
-  after: '/images/after.png',
+  before: '/images/before.webp',
+  after: '/images/after.webp',
   beforeLabel: 'کانسپت اولیه',
   afterLabel: 'پروژه تکمیل‌شده',
 };