fix(explore): fix example card placeholder
diff --git a/src/explore/ExampleCard.vue b/src/explore/ExampleCard.vue
index cd9e82c..e94f0b3 100644
--- a/src/explore/ExampleCard.vue
+++ b/src/explore/ExampleCard.vue
@@ -4,7 +4,7 @@
       <picture>
         <source :data-srcset="screenshotURLWebP" type="image/webp" />
         <source :data-srcset="screenshotURLPNG" type="image/png" />
-        <img class="chart-area" data-src="../asset/placeholder.jpg" />
+        <img class="chart-area" src="../asset/placeholder.jpg" />
       </picture>
     </a>
     <div>
diff --git a/src/explore/Explore.vue b/src/explore/Explore.vue
index 6828252..1d4371c 100644
--- a/src/explore/Explore.vue
+++ b/src/explore/Explore.vue
@@ -224,7 +224,7 @@
       load_delay: 400,
       class_loaded: LAZY_LOADED_CLASS,
       callback_error(img) {
-        const fallbackSrc = img.getAttribute('data-src');
+        const fallbackSrc = img.src;
         const children = img.parentElement.children;
         for (let i = 0, len = children.length; i < len; i++) {
           const el = children[i];