Optimisation slider image

templates/frontOffice/default/index.html

@@ -12,13 +12,13 @@
             <div class="carousel-wrapper">
                 <div class="carousel-inner">
                     <figure class="item active">
-                        {images file='assets/img/carousel/slider1.png'}<img src="{$asset_url}" alt="img1">{/images}
+                        {images file='assets/img/carousel/slider1.jpg'}<img src="{$asset_url}" alt="Slider image 1">{/images}
                     </figure>
                     <figure class="item">
-                        {images file='assets/img/carousel/slider2.png'}<img src="{$asset_url}" alt="img2">{/images}
+                        {images file='assets/img/carousel/slider2.jpg'}<img src="{$asset_url}" alt="Slider image 2">{/images}
                     </figure>
                     <figure class="item">
-                        {images file='assets/img/carousel/slider3.png'}<img src="{$asset_url}" alt="img3">{/images}
+                        {images file='assets/img/carousel/slider3.jpg'}<img src="{$asset_url}" alt="Slider image 3">{/images}
                     </figure>
                 </div>
             </div>