diff --git a/examples/astro/astro.config.mjs b/examples/astro/astro.config.mjs
index 5035260e..b129cc63 100644
--- a/examples/astro/astro.config.mjs
+++ b/examples/astro/astro.config.mjs
@@ -1,8 +1,8 @@
-import galactiks, { integrationsPreset } from '@galactiks/astro-integration';
 import path from 'path';
-
 process.env.CONTENT_PATH = path.join(process.cwd(), '../contentlayer');
 
+import galactiks, { integrationsPreset } from '@galactiks/astro-integration';
+
 // https://astro.build/config
 export default /** @type {import('astro').AstroUserConfig} */ {
   integrations: [integrationsPreset(), galactiks()],
diff --git a/examples/contentlayer/galactiks.config.json b/examples/contentlayer/galactiks.config.json
index 092a218b..1a47c868 100644
--- a/examples/contentlayer/galactiks.config.json
+++ b/examples/contentlayer/galactiks.config.json
@@ -4,6 +4,17 @@
     "default": "en",
     "available": ["en", "fr"]
   },
+  "openGraph": {
+    "siteName": "Galactiks"
+  },
+  "facebook": {
+    "appId": "123456789"
+  },
+  "twitter": {
+    "handle": "@galactiks",
+    "site": "@galactiks",
+    "cardType": "summary_large_image"
+  },
   "pages": {
     "articles": {
       "path": "/{+inLanguage}/a/{identifier}/"
diff --git a/packages/adapters/astro/src/components/Head.astro b/packages/adapters/astro/src/components/Head.astro
index c345b5ed..a2ac344a 100644
--- a/packages/adapters/astro/src/components/Head.astro
+++ b/packages/adapters/astro/src/components/Head.astro
@@ -30,6 +30,11 @@ const { analytics } = getConfig();
       <meta property={property} content={content} {...props} />
     ))
   }
+  {
+    content.headers?.facebook?.map(({ property, content, ...props }) => (
+      <meta property={property} content={content} {...props} />
+    ))
+  }
   {
     content.headers?.twitterCard?.map(({ name, content, ...props }) => (
       <meta name={name} content={content} {...props} />
diff --git a/packages/config/src/config.ts b/packages/config/src/config.ts
index d1188a5d..130240df 100644
--- a/packages/config/src/config.ts
+++ b/packages/config/src/config.ts
@@ -6,6 +6,7 @@ import { z } from 'zod';
 
 import { analyticsConfigSchema } from './analytics.js';
 import { getDefaultConfig } from './default.js';
+import { facebookConfigSchema, openGraphConfigSchema, twitterConfigSchema } from './socials.js';
 import type { WebManifest } from './webmanifest.config.js';
 
 const localesSchema = z.object({
@@ -29,6 +30,9 @@ const galactiksConfigFileSchema = z.object({
   locales: localesSchema.optional(),
   template: z.string(),
   analytics: analyticsConfigSchema.optional(),
+  openGraph: openGraphConfigSchema.optional(),
+  facebook: facebookConfigSchema.optional(),
+  twitter: twitterConfigSchema.optional(),
   trailingSlash: z.enum(['ignore', 'always', 'never']).optional(),
   pages: z
     .object({
diff --git a/packages/config/src/socials.ts b/packages/config/src/socials.ts
new file mode 100644
index 00000000..9f14b6dd
--- /dev/null
+++ b/packages/config/src/socials.ts
@@ -0,0 +1,14 @@
+import { z } from 'zod';
+
+export const openGraphConfigSchema = z.object({
+  siteName: z.string().optional(),
+});
+
+export const facebookConfigSchema = z.object({
+  appId: z.string().optional(),
+});
+
+export const twitterConfigSchema = z.object({
+  creator: z.string().optional(),
+  site: z.string().optional(),
+});
diff --git a/packages/explorer/src/content/hydrate/missing-fields.ts b/packages/explorer/src/content/hydrate/missing-fields.ts
index 6014de2f..77c17ccd 100644
--- a/packages/explorer/src/content/hydrate/missing-fields.ts
+++ b/packages/explorer/src/content/hydrate/missing-fields.ts
@@ -13,6 +13,7 @@ import { breadcrumbBuilder } from '../metadata/breadcrumb.js';
 import { getBasicHeaders } from '../metadata/headers.js';
 import { getTwitterCard } from '../metadata/twitter.js';
 import { getOpenGraphObjects } from '../metadata/ogp/og.js';
+import { getFacebookObjects } from '../metadata/facebook.js';
 import { getStructuredDataSchemas } from '../metadata/schemas/structured-data.js';
 
 export const computeMissingFields =
@@ -81,6 +82,7 @@ export const computeMissingFields =
             contentWithoutHeaders
           ),
           openGraph: getOpenGraphObjects(contentWithoutHeaders),
+          facebook: getFacebookObjects(),
           twitterCard: getTwitterCard(contentWithoutHeaders),
         },
       };
diff --git a/packages/explorer/src/content/metadata/facebook.spec.ts b/packages/explorer/src/content/metadata/facebook.spec.ts
new file mode 100644
index 00000000..28e84d6c
--- /dev/null
+++ b/packages/explorer/src/content/metadata/facebook.spec.ts
@@ -0,0 +1,31 @@
+import { getFacebookObjects } from './facebook';
+import { getConfig } from '@galactiks/config';
+
+jest.mock('@galactiks/config');
+
+describe('getFacebookObjects', () => {
+  it('should return an empty array if facebook config is not present', () => {
+    (getConfig as jest.Mock).mockReturnValue({});
+
+    const result = getFacebookObjects();
+
+    expect(result).toEqual([]);
+  });
+
+  it('should return an array with fb:app_id if facebook appId is present', () => {
+    const mockAppId = '1234567890';
+    (getConfig as jest.Mock).mockReturnValue({ facebook: { appId: mockAppId } });
+
+    const result = getFacebookObjects();
+
+    expect(result).toEqual([{ property: 'fb:app_id', content: mockAppId }]);
+  });
+
+  it('should return an empty array if facebook config is present but appId is not', () => {
+    (getConfig as jest.Mock).mockReturnValue({ facebook: {} });
+
+    const result = getFacebookObjects();
+
+    expect(result).toEqual([]);
+  });
+});
diff --git a/packages/explorer/src/content/metadata/facebook.ts b/packages/explorer/src/content/metadata/facebook.ts
new file mode 100644
index 00000000..b402adea
--- /dev/null
+++ b/packages/explorer/src/content/metadata/facebook.ts
@@ -0,0 +1,12 @@
+import { getConfig } from '@galactiks/config';
+import type { MetadataHeaders } from '../../types/index.js';
+
+export const getFacebookObjects = (): MetadataHeaders['facebook'] => {
+  const { facebook } = getConfig();
+  const headers = [];
+  if (facebook?.appId) {
+    headers.push({ property: 'fb:app_id', content: facebook.appId });
+  }
+
+  return headers;
+};
diff --git a/packages/explorer/src/content/metadata/headers.spec.ts b/packages/explorer/src/content/metadata/headers.spec.ts
index 1603d4a3..b5653581 100644
--- a/packages/explorer/src/content/metadata/headers.spec.ts
+++ b/packages/explorer/src/content/metadata/headers.spec.ts
@@ -1,7 +1,14 @@
+import { getConfig } from '@galactiks/config';
 import { Content } from '../../types/index.js';
 import { getBasicHeaders } from './headers';
 
+jest.mock('@galactiks/config');
+
 describe('getBasicHeaders', () => {
+  beforeAll(() => {
+    (getConfig as jest.Mock).mockReturnValue({});
+  });
+
   it('should return correct basic headers', () => {
     const entry = {
       name: 'Test Document',
diff --git a/packages/explorer/src/content/metadata/ogp/og.ts b/packages/explorer/src/content/metadata/ogp/og.ts
index 1075b840..dc0a4e3b 100644
--- a/packages/explorer/src/content/metadata/ogp/og.ts
+++ b/packages/explorer/src/content/metadata/ogp/og.ts
@@ -1,14 +1,27 @@
+import { getConfig } from '@galactiks/config';
 import type { Content, MetadataHeaders } from '../../../types/index.js';
 
 import { getArticle } from './article.js';
 import { getWebsite } from './website.js';
 
-export const getOpenGraphObjects = (
-  document: Content
-): MetadataHeaders['openGraph'] => {
+const getOpenGraphByType = (document: Content): MetadataHeaders['openGraph'] => {
   if (document.type === 'Article') {
     return getArticle(document);
   }
 
   return getWebsite(document);
+}
+
+export const getOpenGraphObjects = (
+  document: Content
+): MetadataHeaders['openGraph'] => {
+  const headers = getOpenGraphByType(document) || [];
+
+  const { webManifest, openGraph } = getConfig();
+  const siteName = openGraph?.siteName || webManifest?.name;
+  if (siteName) {
+    headers.push({ property: 'og:siteName', content: siteName });
+  }
+
+  return headers;
 };
diff --git a/packages/explorer/src/content/metadata/twitter.spec.ts b/packages/explorer/src/content/metadata/twitter.spec.ts
index 8eb74550..87df26c9 100644
--- a/packages/explorer/src/content/metadata/twitter.spec.ts
+++ b/packages/explorer/src/content/metadata/twitter.spec.ts
@@ -1,7 +1,14 @@
+import { getConfig } from '@galactiks/config';
 import { Content } from '../../types/index.js';
 import { getTwitterCard } from './twitter';
 
+jest.mock('@galactiks/config');
+
 describe('getTwitterCard', () => {
+  beforeAll(() => {
+    (getConfig as jest.Mock).mockReturnValue({});
+  });
+
   it('should return correct headers when document has an image', () => {
     const document = {
       name: 'Test Document',
@@ -37,4 +44,72 @@ describe('getTwitterCard', () => {
       { name: 'twitter:card', content: 'summary' },
     ]);
   });
+
+  it('should include twitter:site if configured', () => {
+    (getConfig as jest.Mock).mockReturnValue({
+      twitter: {
+        site: '@testsite',
+      },
+    });
+
+    const document = {
+      name: 'Test Document',
+      description: 'Test Description',
+    } as Content;
+
+    const result = getTwitterCard(document);
+
+    expect(result).toEqual([
+      { name: 'twitter:title', content: 'Test Document' },
+      { name: 'twitter:description', content: 'Test Description' },
+      { name: 'twitter:site', content: '@testsite' },
+      { name: 'twitter:card', content: 'summary' },
+    ]);
+  });
+
+  it('should include twitter:creator if configured', () => {
+    (getConfig as jest.Mock).mockReturnValue({
+      twitter: {
+        creator: '@testcreator',
+      },
+    });
+
+    const document = {
+      name: 'Test Document',
+      description: 'Test Description',
+    } as Content;
+
+    const result = getTwitterCard(document);
+
+    expect(result).toEqual([
+      { name: 'twitter:title', content: 'Test Document' },
+      { name: 'twitter:description', content: 'Test Description' },
+      { name: 'twitter:creator', content: '@testcreator' },
+      { name: 'twitter:card', content: 'summary' },
+    ]);
+  });
+
+  it('should include both twitter:site and twitter:creator if configured', () => {
+    (getConfig as jest.Mock).mockReturnValue({
+      twitter: {
+        creator: '@testcreator',
+        site: '@testsite',
+      },
+    });
+
+    const document = {
+      name: 'Test Document',
+      description: 'Test Description',
+    } as Content;
+
+    const result = getTwitterCard(document);
+
+    expect(result).toEqual([
+      { name: 'twitter:title', content: 'Test Document' },
+      { name: 'twitter:description', content: 'Test Description' },
+      { name: 'twitter:site', content: '@testsite' },
+      { name: 'twitter:creator', content: '@testcreator' },
+      { name: 'twitter:card', content: 'summary' },
+    ]);
+  });
 });
diff --git a/packages/explorer/src/content/metadata/twitter.ts b/packages/explorer/src/content/metadata/twitter.ts
index 25717395..18dd0b6c 100644
--- a/packages/explorer/src/content/metadata/twitter.ts
+++ b/packages/explorer/src/content/metadata/twitter.ts
@@ -1,13 +1,23 @@
+import { getConfig } from '@galactiks/config';
 import type { Content, MetadataHeaders } from '../../types/index.js';
 
 export const getTwitterCard = (
   document: Content
 ): MetadataHeaders['twitterCard'] => {
+  const { twitter } = getConfig();
+
   const headers = [
     { name: 'twitter:title', content: document.name },
     { name: 'twitter:description', content: document.description },
   ];
 
+  if (twitter?.site) {
+    headers.push({ name: 'twitter:site', content: twitter.site });
+  }
+  if (twitter?.creator) {
+    headers.push({ name: 'twitter:creator', content: twitter.creator });
+  }
+
   if (document.image) {
     headers.push(
       { name: 'twitter:card', content: 'summary_large_image' },
diff --git a/packages/explorer/src/types/_schemas.ts b/packages/explorer/src/types/_schemas.ts
index 3b7b7671..65f05df6 100644
--- a/packages/explorer/src/types/_schemas.ts
+++ b/packages/explorer/src/types/_schemas.ts
@@ -24,6 +24,14 @@ const metadataHeaders = z
         })
       )
       .optional(),
+    facebook: z
+      .array(
+        z.object({
+          property: z.string(),
+          content: z.string(),
+        })
+      )
+      .optional(),
     twitterCard: z
       .array(
         z.object({
diff --git a/turbo.json b/turbo.json
index 6067656b..95070323 100644
--- a/turbo.json
+++ b/turbo.json
@@ -29,6 +29,7 @@
       "cache": false
     },
     "test": {
+      "dependsOn": ["^build"],
       "outputLogs": "new-only"
     }
   }