Fix OG Image Tester URL to ogimagepreview.com

Author: julianengel

src/pages/index.astro

@@ -55,7 +55,7 @@ const projects = [
         name: 'OG Image Tester',
         description: 'Test and preview Open Graph images for social media sharing.',
         href: '/projects/og-image-tester',
-        externalHref: 'https://ogimagetester.com?ref=simplebytes',
+        externalHref: 'https://ogimagepreview.com?ref=simplebytes',
         subProjects: []
     }
 ];

src/pages/projects/og-image-tester.astro

@@ -24,7 +24,7 @@ const features = [
             <span class="badge badge--free">Free</span>
         </div>
         <div class="hero-links">
-            <a href="https://ogimagetester.com?ref=simplebytes" target="_blank" rel="noopener" class="btn btn--primary">
+            <a href="https://ogimagepreview.com?ref=simplebytes" target="_blank" rel="noopener" class="btn btn--primary">
                 Try OG Image Tester →
             </a>
         </div>
@@ -57,7 +57,7 @@ const features = [
             <h2>Perfect Your Social Previews</h2>
             <p>Don't let broken or missing Open Graph images hurt your content's reach. Test your URLs instantly and for free.</p>
             <div class="cta-links">
-                <a href="https://ogimagetester.com?ref=simplebytes" target="_blank" rel="noopener" class="btn btn--primary">
+                <a href="https://ogimagepreview.com?ref=simplebytes" target="_blank" rel="noopener" class="btn btn--primary">
                     Start Testing →
                 </a>
             </div>