optimized images for better performance

src/_includes/layouts/base.njk

@@ -23,12 +23,12 @@
     <meta property="og:title" content="{{ site.title }} - {{ title }}">
     <meta property="og:description" content="{{ summary }}">
     <meta property="og:site_name" content="{{ site.title }} - {{ title }}">
-    <meta property="og:image" content="{{ site.url }}/img/og.png">
+    <meta property="og:image" content="{{ site.url }}/img/og.jpg">
     <meta property="og:updated_time" content="{{ site.buildTime }}">
     <meta name="twitter:card" content="summary_large_image">
     <meta name="twitter:title" content="{{ site.title }} - {{ title }}">
     <meta name="twitter:description" content="{{ summary }}">
-    <meta name="twitter:image" content="{{ site.url }}/img/og.png">
+    <meta name="twitter:image" content="{{ site.url }}/img/og.jpg">
     <link rel="shortcut icon" href="favicon.ico">
     <link rel="icon" type="image/png" href="favicon.png">
     <link rel="stylesheet" href="{{ '/css/main.css' | rev }}">

src/de/index.html

@@ -37,7 +37,7 @@ eleventyNavigation:
 <div class="row py-5">
     <div class="col-12 col-lg-4 mb-4 mb-lg-0 fill-col-inner order-lg-1">
         <div class="me-profile">
-            <img src="/img/samuel-1024.jpg" alt="Samuel Philipp">
+            <img src="/img/samuel.jpg" alt="Samuel Philipp">
         </div>
     </div>
     <div class="col-12 col-lg-8">

src/en/index.html

@@ -37,7 +37,7 @@ eleventyNavigation:
 <div class="row py-5">
     <div class="col-12 col-lg-4 mb-4 mb-lg-0 fill-col-inner order-lg-1">
         <div class="me-profile">
-            <img src="/img/samuel-1024.jpg" alt="Samuel Philipp">
+            <img src="/img/samuel.jpg" alt="Samuel Philipp">
         </div>
     </div>
     <div class="col-12 col-lg-8">