Try to use a different schema setup.

client/components/SEOTricks.svelte

@@ -27,9 +27,9 @@
 
   export let language = "en";
 
-  export let json_ld = {
-    "@context": "http://schema.org",
-    "@type": "WebSite",
+  export let schema_context = "http://schema.org";
+  export let schema_type = "WebSite";
+  export let schema_data = {
     "name": og.title,
     "url": og.url,
     "sameAs": [`https://twitter.com/${twitter.site}`],
@@ -38,10 +38,12 @@
 
 <svelte:head>
   <meta name="description" content={ og.description }>
-  <!-- JSON-LD spec -->
-  <script type="application/ld+json">
-    { JSON.stringify(json_ld) }
-  </script>
+  <!-- SCHEMA.org spec -->
+  <div itemscope itemtype="{schema_context}/{schema_type}">
+    {#each Object.keys(schema_data) as key}
+      <meta itemprop={ key } content={ schema_data[key] }>
+    {/each}
+  </div>
 
   <!--OG Spec for LinkedIn/Facebook/Others -->
   {#each Object.keys(og) as key}