diff --git a/src/components/MDX/CodeSnippet.astro b/src/components/MDX/CodeSnippet.astro
index a188887..c0279d4 100644
--- a/src/components/MDX/CodeSnippet.astro
+++ b/src/components/MDX/CodeSnippet.astro
@@ -50,8 +50,12 @@ const copyID = Math.random().toString(36);
           }
           {title && <p>{title}</p>}
         </div>
-        <button class="font-bold" id=`copy-${copyID}`>
-          Copy <Icon name="mdi:content-copy" class="ml-0.5 inline-block" />
+        <button
+          type="button"
+          aria-label="Copy code to clipboard"
+          class="font-bold"
+          id=`copy-${copyID}`
+          >Copy <Icon name="mdi:content-copy" class="ml-0.5 inline-block" />
         </button>
       </div>
     </div>
diff --git a/src/components/Player.astro b/src/components/Player.astro
index a660f80..0cd9271 100644
--- a/src/components/Player.astro
+++ b/src/components/Player.astro
@@ -136,7 +136,7 @@ const playerArtworkOpacity = 0.4;
             </button>
           </div>
           <div
-            class="mt-3 flex hidden flex-row items-center space-x-2 pt-1 text-sm md:flex"
+            class="mt-3 hidden flex-row items-center space-x-2 pt-1 text-sm md:flex"
           >
             <span class="flex w-9 items-center justify-center">
               <button
diff --git a/src/components/SEO.astro b/src/components/SEO.astro
index c738bec..98abdbb 100644
--- a/src/components/SEO.astro
+++ b/src/components/SEO.astro
@@ -66,6 +66,7 @@ import { Schema } from "astro-seo-schema";
 <meta property="og:title" content={title} />
 <meta property="og:description" content={description} />
 <meta property="og:url" content={url} />
+<meta property="og:type" content="website" />
 <meta
   property="og:image"
   content={image !== undefined && image.externalURL !== undefined
@@ -98,7 +99,7 @@ import { Schema } from "astro-seo-schema";
 <meta name="twitter:description" content={description} />
 <meta name="twitter:card" content="summary_large_image" />
 <meta
-  name="twitter:image:src"
+  name="twitter:image"
   content={image !== undefined && image.externalURL !== undefined
     ? image.externalURL
     : site.image.externalURL}
diff --git a/src/components/SectionTitle.astro b/src/components/SectionTitle.astro
index 688e124..1c059df 100644
--- a/src/components/SectionTitle.astro
+++ b/src/components/SectionTitle.astro
@@ -9,7 +9,7 @@ interface Props {
 const {
   Tag = "h2",
   lineColour = "border-primary",
-  lineColourDark = "dark:text-primary",
+  lineColourDark = "dark:border-primary",
   class: className
 } = Astro.props;
 ---
diff --git a/src/data/site.ts b/src/data/site.ts
index 8cbaa96..d8bf133 100644
--- a/src/data/site.ts
+++ b/src/data/site.ts
@@ -6,7 +6,7 @@ export default {
     "Nathan Cummins is an award-winning composer, orchestrator, sound designer, and conductor known for his vibrant music across video games, film, and live performance. Based in Adelaide, he brings classical craft, bold creativity, and technical innovation to every project.",
   tagline: "Composer, Orchestrator, Conductor, Sound Designer",
   image: {
-    externalURL: `${import.meta.env.SITE}/nathan-cummins-composer-orchestrator-conductor.jpg`,
+    externalURL: `${import.meta.env.SITE ?? "https://www.nathancummins.com.au"}/nathan-cummins-composer-orchestrator-conductor.jpg`,
     src: "nathan-cummins-composer-orchestrator-conductor.jpg",
     alt: "Picture of Nathan Cummins, Adelaide composer, orchestrator, and conductor"
   } as SiteImage
diff --git a/src/pages/about.astro b/src/pages/about.astro
index 1f6a1a4..146af7e 100644
--- a/src/pages/about.astro
+++ b/src/pages/about.astro
@@ -122,7 +122,7 @@ import { Image } from "astro:assets";
         </ul>
       </div>
     </section>
-    <section id="Conducting">
+    <section id="conducting">
       <div class="mx-auto max-w-4xl px-8 text-left">
         <H2>Conducting</H2>
         <Paragraph
diff --git a/src/pages/contact.astro b/src/pages/contact.astro
index 432d24b..f198ba0 100644
--- a/src/pages/contact.astro
+++ b/src/pages/contact.astro
@@ -11,8 +11,11 @@ import { Icon } from "astro-icon/components";
   <div class="w-full">
     <section id="contact" class="bg-primary dark:bg-gray-800">
       <div class="mx-auto max-w-4xl px-8 py-16 text-center">
-        <SectionTitle Tag="h1" class="text-white" lineColour="text-white"
-          >Let's get in touch!</SectionTitle
+        <SectionTitle
+          Tag="h1"
+          class="text-white"
+          lineColour="border-white"
+          lineColourDark="dark:border-white">Let's get in touch!</SectionTitle
         >
         <ContactForm />
       </div>
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 9282bec..6e75e85 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -161,8 +161,10 @@ const tracks = (
     <section id="listen" class="bg-primary text-white dark:bg-gray-800">
       <div class="w-full overflow-hidden">
         <div class="pt-16 text-center">
-          <SectionTitle lineColour="text-white">Listen</SectionTitle>
-
+          <SectionTitle
+            lineColour="border-white"
+            lineColourDark="dark:border-white">Listen</SectionTitle
+          >
           <Paragraph
             >Click or tap on an image below to listen to the work.</Paragraph
           >
@@ -178,7 +180,7 @@ const tracks = (
         <Paragraph
           >I am very grateful to have been recognised and awarded for my work.</Paragraph
         >
-        <div class="md-8 h-48 overflow-hidden scroll-smooth p-0">
+        <div class="mb-8 h-48 overflow-hidden scroll-smooth p-0">
           <div
             class="animate-scrolling-awards m-0 mx-auto flex max-w-md flex-col space-y-8 p-0"
           >
@@ -213,13 +215,17 @@ const tracks = (
         <SectionTitle>Let's get in touch!</SectionTitle>
         <div class="grid grid-cols-1 text-lg md:grid-cols-2">
           <div class="col-span-1 flex flex-col items-center justify-center p-4">
-            <Icon name="fa7-solid:at" class="text-4xl" />
+            <Icon name="fa7-solid:at" class="text-4xl" aria-hidden="true" />
             <TextLink href="mailto:nathan@nathancummins.com.au" class="mt-4"
               >nathan@nathancummins.com.au</TextLink
             >
           </div>
           <div class="col-span-1 flex flex-col items-center justify-center p-4">
-            <Icon name="fa7-solid:envelope" class="text-4xl" />
+            <Icon
+              name="fa7-solid:envelope"
+              class="text-4xl"
+              aria-hidden="true"
+            />
             <Paragraph class="my-0 mt-4"
               >PO Box 2112 Regency Park SA 5942</Paragraph
             >