diff --git a/.gitignore b/.gitignore
index c1491a3..ba681bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 # Generated content
 src/graphql/generated.ts
 
+public/robots.txt
+
 # dependencies
 /node_modules
 /.pnp
diff --git a/src/components/AppLayout.tsx b/src/components/AppLayout.tsx
index d6220f6..f368f18 100644
--- a/src/components/AppLayout.tsx
+++ b/src/components/AppLayout.tsx
@@ -2,6 +2,7 @@ import Head from "next/head";
 import { useSwipeable } from "react-swipeable";
 import { MaterialSymbol } from "material-symbols";
 import { atom } from "jotai";
+import { useRouter } from "next/router";
 import { layout } from "../../design.config";
 import { Ico } from "./Ico";
 import { MainPanel } from "./Panels/MainPanel";
@@ -54,6 +55,7 @@ export const AppLayout = ({
   const is1ColumnLayout = useAtomGetter(atoms.containerQueries.is1ColumnLayout);
   const isScreenAtLeastXs = useAtomGetter(atoms.containerQueries.isScreenAtLeastXs);
   const isIOS = useAtomGetter(isIOSAtom);
+  const router = useRouter();
 
   const { format } = useFormat();
 
@@ -105,19 +107,41 @@ export const AppLayout = ({
         <title>{openGraph.title}</title>
         <meta name="description" content={openGraph.description} />
 
+        <meta name="twitter:site" content="@AccordsLibrary" />
         <meta name="twitter:title" content={openGraph.title} />
         <meta name="twitter:description" content={openGraph.description} />
         <meta name="twitter:card" content="summary_large_image" />
         <meta name="twitter:image" content={openGraph.thumbnail.image} />
 
+        <meta
+          property="og:type"
+          content={openGraph.video ? "video.movie" : openGraph.audio ? "music.song" : "website"}
+        />
+        <meta property="og:locale" content={router.locale} />
+        <meta property="og:site_name" content="Accord’s Library" />
+
         <meta property="og:title" content={openGraph.title} />
         <meta property="og:description" content={openGraph.description} />
+
         <meta property="og:image" content={openGraph.thumbnail.image} />
         <meta property="og:image:secure_url" content={openGraph.thumbnail.image} />
         <meta property="og:image:width" content={openGraph.thumbnail.width.toString()} />
         <meta property="og:image:height" content={openGraph.thumbnail.height.toString()} />
         <meta property="og:image:alt" content={openGraph.thumbnail.alt} />
         <meta property="og:image:type" content="image/jpeg" />
+
+        {openGraph.audio && (
+          <>
+            <meta property="og:audio" content={openGraph.audio} />
+            <meta property="og:audio:type" content="audio/mpeg" />
+          </>
+        )}
+        {openGraph.video && (
+          <>
+            <meta property="og:video" content={openGraph.video} />{" "}
+            <meta property="og:video:type" content="video/mp4" />
+          </>
+        )}
       </Head>
 
       {/* Content panel */}
diff --git a/src/helpers/openGraph.ts b/src/helpers/openGraph.ts
index eab5e7f..b79cb1a 100644
--- a/src/helpers/openGraph.ts
+++ b/src/helpers/openGraph.ts
@@ -8,7 +8,7 @@ const DEFAULT_OG_THUMBNAIL: OgImage = {
   image: `${process.env.NEXT_PUBLIC_URL_SELF}/default_og.jpg`,
   width: 1200,
   height: 630,
-  alt: "Accord's Library Logo",
+  alt: "Accord’s Library Logo",
 };
 
 export const TITLE_PREFIX = "Accord’s Library";
@@ -18,13 +18,17 @@ export interface OpenGraph {
   title: string;
   description: string;
   thumbnail: OgImage;
+  audio?: string;
+  video?: string;
 }
 
 export const getOpenGraph = (
   format: ReturnType<typeof getFormat>["format"] | ReturnType<typeof useFormat>["format"],
   title?: string | null | undefined,
   description?: string | null | undefined,
-  thumbnail?: UploadImageFragment | string | null | undefined
+  thumbnail?: UploadImageFragment | string | null | undefined,
+  audio?: string,
+  video?: string
 ): OpenGraph => ({
   title: `${TITLE_PREFIX}${isDefinedAndNotEmpty(title) ? `${TITLE_SEPARATOR}${title}` : ""}`,
   description: isDefinedAndNotEmpty(description)
@@ -33,6 +37,8 @@ export const getOpenGraph = (
       : description
     : format("default_description"),
   thumbnail: thumbnail ? getOgImage(thumbnail) : DEFAULT_OG_THUMBNAIL,
+  ...(audio ? { audio } : {}),
+  ...(video ? { video } : {}),
 });
 
 const getOgImage = (image: UploadImageFragment | string): OgImage => {
diff --git a/src/pages/archives/videos/v/[uid].tsx b/src/pages/archives/videos/v/[uid].tsx
index c075f28..bc85378 100644
--- a/src/pages/archives/videos/v/[uid].tsx
+++ b/src/pages/archives/videos/v/[uid].tsx
@@ -167,7 +167,11 @@ export const getStaticProps: GetStaticProps = async (context) => {
       getDescription(videos.videos.data[0].attributes.description, {
         [format("channel")]: [videos.videos.data[0].attributes.channel?.data?.attributes?.title],
       }),
-      getVideoThumbnailURL(videos.videos.data[0].attributes.uid)
+      getVideoThumbnailURL(videos.videos.data[0].attributes.uid),
+      undefined,
+      videos.videos.data[0].attributes.gone
+        ? getVideoFile(videos.videos.data[0].attributes.uid)
+        : undefined
     ),
   };
   return {
diff --git a/src/pages/contents/[slug].tsx b/src/pages/contents/[slug].tsx
index bee3856..0823256 100644
--- a/src/pages/contents/[slug].tsx
+++ b/src/pages/contents/[slug].tsx
@@ -275,30 +275,31 @@ const Content = ({ content, ...otherProps }: Props): JSX.Element => {
 
             selectedSetType === "text_set" && selectedTranslation?.text_set?.text ? (
               <Markdawn className="max-w-2xl" text={selectedTranslation.text_set.text} />
-            ) : selectedSetType === "audio_set" && selectedTranslation?.audio_set ? (
+            ) : selectedSetType === "audio_set" &&
+              selectedTranslation?.audio_set &&
+              selectedTranslation.language?.data?.attributes?.code ? (
               <AudioPlayer
                 title={prettyInlineTitle(
                   selectedTranslation.pre_title,
                   selectedTranslation.title,
                   selectedTranslation.subtitle
                 )}
-                src={`${process.env.NEXT_PUBLIC_URL_ASSETS}/contents/audios/\
-${content.slug}_${selectedTranslation.language?.data?.attributes?.code}.mp3`}
+                src={getAudioURL(content.slug, selectedTranslation.language.data.attributes.code)}
                 className="max-w-2xl"
               />
             ) : (
               selectedSetType === "video_set" &&
-              selectedTranslation?.video_set && (
+              selectedTranslation?.video_set &&
+              selectedTranslation.language?.data?.attributes?.code && (
                 <VideoPlayer
                   title={prettyInlineTitle(
                     selectedTranslation.pre_title,
                     selectedTranslation.title,
                     selectedTranslation.subtitle
                   )}
-                  src={`${process.env.NEXT_PUBLIC_URL_ASSETS}/contents/videos/\
-${content.slug}_${selectedTranslation.language?.data?.attributes?.code}.mp4`}
+                  src={getVideoURL(content.slug, selectedTranslation.language.data.attributes.code)}
                   subSrc={`${process.env.NEXT_PUBLIC_URL_ASSETS}/contents/videos/\
-${content.slug}_${selectedTranslation.language?.data?.attributes?.code}.vtt`}
+${content.slug}_${selectedTranslation.language.data.attributes.code}.vtt`}
                   className="max-w-[90vh]"
                 />
               )
@@ -340,7 +341,7 @@ export const getStaticProps: GetStaticProps = async (context) => {
     return { notFound: true };
   }
 
-  const { title, description } = (() => {
+  const { title, description, audio, video } = (() => {
     if (context.locale && context.locales) {
       const selectedTranslation = staticSmartLanguage({
         items: content.contents.data[0].attributes.translations,
@@ -351,6 +352,7 @@ export const getStaticProps: GetStaticProps = async (context) => {
         const rawDescription = isDefinedAndNotEmpty(selectedTranslation.description)
           ? selectedTranslation.description
           : selectedTranslation.text_set?.text;
+
         return {
           title: prettyInlineTitle(
             selectedTranslation.pre_title,
@@ -366,12 +368,22 @@ export const getStaticProps: GetStaticProps = async (context) => {
               ["attributes"]
             ).map((category) => category.attributes.short),
           }),
+          audio:
+            selectedTranslation.language?.data?.attributes?.code && selectedTranslation.audio_set
+              ? getAudioURL(slug, selectedTranslation.language.data.attributes.code)
+              : undefined,
+          video:
+            selectedTranslation.language?.data?.attributes?.code && selectedTranslation.video_set
+              ? getVideoURL(slug, selectedTranslation.language.data.attributes.code)
+              : undefined,
         };
       }
     }
     return {
       title: prettySlug(content.contents.data[0].attributes.slug),
       description: undefined,
+      audio: undefined,
+      video: undefined,
     };
   })();
 
@@ -379,7 +391,7 @@ export const getStaticProps: GetStaticProps = async (context) => {
 
   const props: Props = {
     content: content.contents.data[0].attributes as ContentWithTranslations,
-    openGraph: getOpenGraph(format, title, description, thumbnail),
+    openGraph: getOpenGraph(format, title, description, thumbnail, audio, video),
   };
   return {
     props: props,
@@ -488,3 +500,16 @@ const RelatedContentPreview = ({
     />
   );
 };
+
+/*
+ *                                      ╭───────────────────╮
+ * ─────────────────────────────────────╯  PRIVATE METHODS  ╰───────────────────────────────────────
+ */
+
+const getAudioURL = (slug: string, langCode: string): string =>
+  `${process.env.NEXT_PUBLIC_URL_ASSETS}/contents/audios/\
+${slug}_${langCode}.mp3`;
+
+const getVideoURL = (slug: string, langCode: string): string =>
+  `${process.env.NEXT_PUBLIC_URL_ASSETS}/contents/videos/\
+${slug}_${langCode}.mp4`;