refactor(pages): rewrite helpers to output schema in json-ld format

* make sure url are absolutes
* nest breadcrumb schema in webpage schema
* trim HTML tags from content/description
* use a regular script instead of next/script (with the latter the
schema is not updated on route change)
* place the script in document head
* add keywords, wordCount and readingTime keys in BlogPosting schema
* fix breadcrumbs in search page (without query)
* add tests (a `MatchInlineSnapshot` will be better but Prettier 3 is
not supported yet)

13 files changed, 309 insertions, 383 deletions

diff --git a/src/pages/404.tsx b/src/pages/404.tsx
index 450859c..72c252e 100644
--- a/src/pages/404.tsx
+++ b/src/pages/404.tsx
@@ -1,7 +1,6 @@
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useCallback, type ReactNode } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -34,7 +33,11 @@ import type {
 } from '../types';
 import { CONFIG } from '../utils/config';
 import { ROUTES } from '../utils/constants';
-import { getLinksItemData } from '../utils/helpers';
+import {
+  getLinksItemData,
+  getSchemaFrom,
+  getWebPageGraph,
+} from '../utils/helpers';
 import { loadTranslation, type Messages } from '../utils/helpers/server';
 import {
   useBreadcrumbs,
@@ -118,6 +121,15 @@ const Error404Page: NextPageWithLayout<Error404PageProps> = ({ data }) => {
     messages.page.title
   );
 
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      description: messages.seo.metaDesc,
+      slug: ROUTES.NOT_FOUND,
+      title: messages.page.title,
+    }),
+  ]);
+
   const searchSubmitHandler: SearchFormSubmit = useCallback(
     async ({ query }) => {
       if (!query)
@@ -145,13 +157,12 @@ const Error404Page: NextPageWithLayout<Error404PageProps> = ({ data }) => {
         <title>{messages.seo.title}</title>
         {/*eslint-disable-next-line react/jsx-no-literals -- Name allowed */}
         <meta name="description" content={messages.seo.metaDesc} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(breadcrumbSchema) }}
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-breadcrumb"
-        type="application/ld+json"
-      />
       <PageHeader heading={messages.page.title} />
       <PageBody className={styles['no-results']}>
         <p>
diff --git a/src/pages/article/[slug].tsx b/src/pages/article/[slug].tsx
index 6333056..e18de75 100644
--- a/src/pages/article/[slug].tsx
+++ b/src/pages/article/[slug].tsx
@@ -3,7 +3,6 @@ import type { ParsedUrlQuery } from 'querystring';
 import type { GetStaticPaths, GetStaticProps } from 'next';
 import Head from 'next/head';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useCallback } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -36,11 +35,12 @@ import type {
 } from '../../types';
 import { CONFIG } from '../../utils/config';
 import {
-  getBlogSchema,
-  getCommentsSchema,
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
+  getBlogPostingGraph,
+  getCommentGraph,
+  getReadingTimeFrom,
+  getSchemaFrom,
+  getWebPageGraph,
+  trimHTMLTags,
   updateWordPressCodeBlocks,
 } from '../../utils/helpers';
 import { loadTranslation, type Messages } from '../../utils/helpers/server';
@@ -129,9 +129,17 @@ const ArticlePage: NextPageWithLayout<ArticlePageProps> = ({ data }) => {
     [intl]
   );
 
+  const flattenComments = useCallback(
+    (allComments: SingleComment[]): SingleComment[] => [
+      ...allComments,
+      ...allComments.flatMap((comment) => flattenComments(comment.replies)),
+    ],
+    []
+  );
+
   if (isFallback || isLoading) return <LoadingPage />;
 
-  const { content, id, intro, meta, title } = article;
+  const { content, id, intro, meta, slug, title } = article;
   const {
     author,
     commentsCount,
@@ -143,36 +151,42 @@ const ArticlePage: NextPageWithLayout<ArticlePageProps> = ({ data }) => {
     wordsCount,
   } = meta;
 
-  const webpageSchema = getWebPageSchema({
-    description: intro,
-    locale: CONFIG.locales.defaultLocale,
-    slug: article.slug,
-    title,
-    updateDate: dates.update,
-  });
-  const blogSchema = getBlogSchema({
-    isSinglePage: true,
-    locale: CONFIG.locales.defaultLocale,
-    slug: article.slug,
-  });
-  const blogPostSchema = getSinglePageSchema({
-    commentsCount,
-    content,
-    cover: cover?.src,
-    dates,
-    description: intro,
-    id: 'article',
-    kind: 'post',
-    locale: CONFIG.locales.defaultLocale,
-    slug: article.slug,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    blogSchema,
-    blogPostSchema,
-    breadcrumbSchema,
-    ...getCommentsSchema(comments),
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      dates,
+      description: trimHTMLTags(intro),
+      slug,
+      title,
+    }),
+    getBlogPostingGraph({
+      body: trimHTMLTags(content),
+      comment: flattenComments(comments).map((comment) =>
+        getCommentGraph({
+          articleSlug: slug,
+          author: {
+            '@type': 'Person',
+            name: comment.meta.author.name,
+            url: comment.meta.author.website,
+          },
+          body: trimHTMLTags(comment.content),
+          id: `${comment.id}`,
+          parentId: comment.parentId ? `${comment.parentId}` : undefined,
+          publishedAt: comment.meta.date,
+        })
+      ),
+      commentCount: commentsCount,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      cover: cover?.src,
+      dates,
+      description: trimHTMLTags(intro),
+      keywords: topics?.map((topic) => topic.name).join(', '),
+      readingTime: `PT${getReadingTimeFrom(wordsCount).inMinutes()}M`,
+      slug,
+      title,
+      wordCount: meta.wordsCount,
+    }),
   ]);
 
   const pageUrl = `${CONFIG.url}${article.slug}`;
@@ -200,14 +214,12 @@ const ArticlePage: NextPageWithLayout<ArticlePageProps> = ({ data }) => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-article"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={intro}
diff --git a/src/pages/blog/index.tsx b/src/pages/blog/index.tsx
index 49c16b1..f58d36f 100644
--- a/src/pages/blog/index.tsx
+++ b/src/pages/blog/index.tsx
@@ -1,7 +1,5 @@
-/* eslint-disable max-statements */
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
-import Script from 'next/script';
 import { useCallback } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -37,13 +35,17 @@ import type {
   WPTopicPreview,
 } from '../../types';
 import { CONFIG } from '../../utils/config';
-import { PAGINATED_ROUTE_PREFIX, ROUTES } from '../../utils/constants';
 import {
-  getBlogSchema,
+  ARTICLE_ID,
+  PAGINATED_ROUTE_PREFIX,
+  ROUTES,
+} from '../../utils/constants';
+import {
+  getBlogGraph,
   getLinksItemData,
   getPostsWithUrl,
-  getSchemaJson,
-  getWebPageSchema,
+  getSchemaFrom,
+  getWebPageGraph,
 } from '../../utils/helpers';
 import { loadTranslation, type Messages } from '../../utils/helpers/server';
 import {
@@ -160,21 +162,23 @@ const BlogPage: NextPageWithLayout<BlogPageProps> = ({ data }) => {
     messages.pageTitle
   );
 
-  const webpageSchema = getWebPageSchema({
-    description: messages.seo.metaDesc,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.BLOG,
-    title: messages.pageTitle,
-  });
-  const blogSchema = getBlogSchema({
-    isSinglePage: false,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.BLOG,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    blogSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      description: messages.seo.metaDesc,
+      slug: ROUTES.BLOG,
+      title: messages.pageTitle,
+    }),
+    getBlogGraph({
+      description: '',
+      posts: articles?.flatMap((page) =>
+        page.edges.map(({ node }) => {
+          return { '@id': `${node.slug}#${ARTICLE_ID}` };
+        })
+      ),
+      slug: ROUTES.BLOG,
+      title: messages.pageTitle,
+    }),
   ]);
 
   const renderPaginationLabel: RenderPaginationItemAriaLabel = useCallback(
@@ -235,14 +239,12 @@ const BlogPage: NextPageWithLayout<BlogPageProps> = ({ data }) => {
         <meta property="og:type" content="website" />
         <meta property="og:title" content={messages.pageTitle} />
         <meta property="og:description" content={messages.seo.metaDesc} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-blog"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={messages.pageTitle}
         meta={{ total: data.posts.pageInfo.total }}
diff --git a/src/pages/blog/page/[number].tsx b/src/pages/blog/page/[number].tsx
index 906a08e..fa1123d 100644
--- a/src/pages/blog/page/[number].tsx
+++ b/src/pages/blog/page/[number].tsx
@@ -3,7 +3,6 @@ import type { ParsedUrlQuery } from 'querystring';
 import type { GetStaticPaths, GetStaticProps } from 'next';
 import Head from 'next/head';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useCallback } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -44,13 +43,17 @@ import type {
   WPTopicPreview,
 } from '../../../types';
 import { CONFIG } from '../../../utils/config';
-import { PAGINATED_ROUTE_PREFIX, ROUTES } from '../../../utils/constants';
 import {
-  getBlogSchema,
+  ARTICLE_ID,
+  PAGINATED_ROUTE_PREFIX,
+  ROUTES,
+} from '../../../utils/constants';
+import {
+  getBlogGraph,
   getLinksItemData,
   getPostsWithUrl,
-  getSchemaJson,
-  getWebPageSchema,
+  getSchemaFrom,
+  getWebPageGraph,
 } from '../../../utils/helpers';
 import { loadTranslation, type Messages } from '../../../utils/helpers/server';
 import {
@@ -189,21 +192,23 @@ const BlogPage: NextPageWithLayout<BlogPageProps> = ({
     messages.pageTitle
   );
 
-  const webpageSchema = getWebPageSchema({
-    description: messages.seo.metaDesc,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.BLOG,
-    title: messages.pageTitle,
-  });
-  const blogSchema = getBlogSchema({
-    isSinglePage: false,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.BLOG,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    blogSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      description: messages.seo.metaDesc,
+      slug: ROUTES.BLOG,
+      title: messages.pageTitle,
+    }),
+    getBlogGraph({
+      description: '',
+      posts: articles?.flatMap((page) =>
+        page.edges.map(({ node }) => {
+          return { '@id': `${node.slug}#${ARTICLE_ID}` };
+        })
+      ),
+      slug: ROUTES.BLOG,
+      title: messages.pageTitle,
+    }),
   ]);
 
   const renderPaginationLabel: RenderPaginationItemAriaLabel = useCallback(
@@ -266,14 +271,12 @@ const BlogPage: NextPageWithLayout<BlogPageProps> = ({
         <meta property="og:type" content="website" />
         <meta property="og:title" content={messages.pageTitle} />
         <meta property="og:description" content={messages.seo.metaDesc} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-blog"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={messages.pageTitle}
         meta={{ total: data.posts.pageInfo.total }}
diff --git a/src/pages/contact.tsx b/src/pages/contact.tsx
index 264ca56..7cf17f0 100644
--- a/src/pages/contact.tsx
+++ b/src/pages/contact.tsx
@@ -1,6 +1,5 @@
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
-import Script from 'next/script';
 import { useCallback } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -19,11 +18,7 @@ import { sendEmail } from '../services/graphql';
 import type { NextPageWithLayout } from '../types';
 import { CONFIG } from '../utils/config';
 import { ROUTES } from '../utils/constants';
-import {
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
-} from '../utils/helpers';
+import { getContactPageGraph, getSchemaFrom } from '../utils/helpers';
 import { loadTranslation } from '../utils/helpers/server';
 import { useBreadcrumbs } from '../utils/hooks';
 
@@ -65,26 +60,15 @@ const ContactPage: NextPageWithLayout = () => {
     },
   };
 
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.CONTACT,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const contactSchema = getSinglePageSchema({
-    dates,
-    description: intro,
-    id: 'contact',
-    kind: 'contact',
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.CONTACT,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    contactSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getContactPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      dates,
+      description: intro,
+      slug: ROUTES.CONTACT,
+      title,
+    }),
   ]);
 
   const submitMail: ContactFormSubmit = useCallback(
@@ -143,13 +127,12 @@ const ContactPage: NextPageWithLayout = () => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-contact"
-        type="application/ld+json"
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader heading={title} intro={intro} />
       <PageBody>
         <ContactForm aria-label={messages.form} onSubmit={submitMail} />
diff --git a/src/pages/cv.tsx b/src/pages/cv.tsx
index d08c121..92c3e9e 100644
--- a/src/pages/cv.tsx
+++ b/src/pages/cv.tsx
@@ -1,9 +1,6 @@
-/* eslint-disable max-statements */
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
 import NextImage from 'next/image';
-import { useRouter } from 'next/router';
-import Script from 'next/script';
 import React, { type ReactNode } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -22,12 +19,8 @@ import { mdxComponents } from '../components/mdx';
 import CVContent, { data, meta } from '../content/pages/cv.mdx';
 import type { NextPageWithLayout } from '../types';
 import { CONFIG } from '../utils/config';
-import { PERSONAL_LINKS } from '../utils/constants';
-import {
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
-} from '../utils/helpers';
+import { PERSONAL_LINKS, ROUTES } from '../utils/constants';
+import { getAboutPageGraph, getSchemaFrom } from '../utils/helpers';
 import { loadTranslation } from '../utils/helpers/server';
 import { useBreadcrumbs, useHeadingsTree } from '../utils/hooks';
 
@@ -95,32 +88,21 @@ const CVPage: NextPageWithLayout = () => {
     },
   };
 
-  const { asPath } = useRouter();
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug: asPath,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const cvSchema = getSinglePageSchema({
-    cover: data.image.src,
-    dates,
-    description: intro,
-    id: 'cv',
-    kind: 'about',
-    locale: CONFIG.locales.defaultLocale,
-    slug: asPath,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    cvSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getAboutPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      cover: data.image.src,
+      dates,
+      description: intro,
+      slug: ROUTES.CV,
+      title,
+    }),
   ]);
+
   const page = {
     title: `${seo.title} - ${CONFIG.name}`,
-    url: `${CONFIG.url}${asPath}`,
+    url: `${CONFIG.url}${ROUTES.CV}`,
   };
 
   return (
@@ -136,13 +118,12 @@ const CVPage: NextPageWithLayout = () => {
         <meta property="og:description" content={intro} />
         <meta property="og:image" content={data.image.src} />
         <meta property="og:image:alt" content={title} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-cv"
-        type="application/ld+json"
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={intro}
diff --git a/src/pages/index.tsx b/src/pages/index.tsx
index ade628a..0e6bb23 100644
--- a/src/pages/index.tsx
+++ b/src/pages/index.tsx
@@ -2,7 +2,6 @@ import type { MDXComponents } from 'mdx/types';
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
 import NextImage from 'next/image';
-import Script from 'next/script';
 import type { FC } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -27,7 +26,11 @@ import {
 import type { NextPageWithLayout, RecentArticle } from '../types';
 import { CONFIG } from '../utils/config';
 import { ROUTES } from '../utils/constants';
-import { getSchemaJson, getWebPageSchema } from '../utils/helpers';
+import {
+  getSchemaFrom,
+  getWebPageGraph,
+  getWebSiteGraph,
+} from '../utils/helpers';
 import { loadTranslation, type Messages } from '../utils/helpers/server';
 import { useBreadcrumbs } from '../utils/hooks';
 
@@ -129,15 +132,29 @@ type HomeProps = {
  * Home page.
  */
 const HomePage: NextPageWithLayout<HomeProps> = ({ recentPosts }) => {
+  const intl = useIntl();
   const { schema: breadcrumbSchema } = useBreadcrumbs();
 
-  const webpageSchema = getWebPageSchema({
-    description: meta.seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.HOME,
-    title: meta.seo.title,
+  const pageTitle = intl.formatMessage({
+    defaultMessage: 'Home',
+    description: 'HomePage: page title',
+    id: 'j3+hB9',
   });
-  const schemaJsonLd = getSchemaJson([webpageSchema, breadcrumbSchema]);
+
+  const jsonLd = getSchemaFrom([
+    getWebSiteGraph({
+      description: CONFIG.baseline,
+      title: CONFIG.name,
+    }),
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(meta.dates.publication).getFullYear(),
+      dates: meta.dates,
+      description: meta.seo.description,
+      slug: ROUTES.HOME,
+      title: pageTitle,
+    }),
+  ]);
 
   return (
     <Page hasSections>
@@ -148,13 +165,12 @@ const HomePage: NextPageWithLayout<HomeProps> = ({ recentPosts }) => {
         <meta property="og:url" content={CONFIG.url} />
         <meta property="og:title" content={meta.seo.title} />
         <meta property="og:description" content={meta.seo.description} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-homepage"
-        type="application/ld+json"
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <HomePageContent components={getComponents(recentPosts)} />
     </Page>
   );
diff --git a/src/pages/mentions-legales.tsx b/src/pages/mentions-legales.tsx
index 8613898..13fd919 100644
--- a/src/pages/mentions-legales.tsx
+++ b/src/pages/mentions-legales.tsx
@@ -1,6 +1,5 @@
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
-import Script from 'next/script';
 import { useIntl } from 'react-intl';
 import {
   getLayout,
@@ -16,11 +15,7 @@ import LegalNoticeContent, { meta } from '../content/pages/legal-notice.mdx';
 import type { NextPageWithLayout } from '../types';
 import { CONFIG } from '../utils/config';
 import { ROUTES } from '../utils/constants';
-import {
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
-} from '../utils/helpers';
+import { getSchemaFrom, getWebPageGraph } from '../utils/helpers';
 import { loadTranslation } from '../utils/helpers/server';
 import { useBreadcrumbs, useHeadingsTree } from '../utils/hooks';
 
@@ -34,26 +29,15 @@ const LegalNoticePage: NextPageWithLayout = () => {
     useBreadcrumbs(title);
   const { ref, tree } = useHeadingsTree<HTMLDivElement>({ fromLevel: 2 });
 
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.LEGAL_NOTICE,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const articleSchema = getSinglePageSchema({
-    dates,
-    description: intro,
-    id: 'legal-notice',
-    kind: 'page',
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.LEGAL_NOTICE,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    articleSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      dates,
+      description: intro,
+      slug: ROUTES.LEGAL_NOTICE,
+      title,
+    }),
   ]);
 
   const page = {
@@ -77,13 +61,12 @@ const LegalNoticePage: NextPageWithLayout = () => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={page.title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-legal-notice"
-        type="application/ld+json"
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={intro}
diff --git a/src/pages/projets/[slug].tsx b/src/pages/projets/[slug].tsx
index 8985f47..1f9723a 100644
--- a/src/pages/projets/[slug].tsx
+++ b/src/pages/projets/[slug].tsx
@@ -1,10 +1,8 @@
-/* eslint-disable max-statements */
 import type { MDXComponents } from 'mdx/types';
 import type { GetStaticPaths, GetStaticProps } from 'next';
 import dynamic from 'next/dynamic';
 import Head from 'next/head';
 import NextImage from 'next/image';
-import Script from 'next/script';
 import { useMemo, type ComponentType, type FC } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -38,9 +36,8 @@ import type {
 import { CONFIG } from '../../utils/config';
 import {
   capitalize,
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
+  getSchemaFrom,
+  getWebPageGraph,
 } from '../../utils/helpers';
 import {
   type Messages,
@@ -192,27 +189,16 @@ const ProjectPage: NextPageWithLayout<ProjectPageProps> = ({ data }) => {
     url: `${CONFIG.url}${slug}`,
   };
 
-  const webpageSchema = getWebPageSchema({
-    description: meta.seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title: meta.seo.title,
-    updateDate: meta.dates.update,
-  });
-  const articleSchema = getSinglePageSchema({
-    cover: `/projects/${id}.jpg`,
-    dates: meta.dates,
-    description: intro,
-    id: 'project',
-    kind: 'page',
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    articleSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(meta.dates.publication).getFullYear(),
+      cover: `/projects/${id}.jpg`,
+      dates: meta.dates,
+      description: intro,
+      slug,
+      title,
+    }),
   ]);
 
   const messages = {
@@ -256,14 +242,12 @@ const ProjectPage: NextPageWithLayout<ProjectPageProps> = ({ data }) => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-project"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={intro}
diff --git a/src/pages/projets/index.tsx b/src/pages/projets/index.tsx
index 401c68c..3815370 100644
--- a/src/pages/projets/index.tsx
+++ b/src/pages/projets/index.tsx
@@ -1,7 +1,6 @@
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
 import NextImage from 'next/image';
-import Script from 'next/script';
 import { useIntl } from 'react-intl';
 import {
   Card,
@@ -25,11 +24,7 @@ import styles from '../../styles/pages/projects.module.scss';
 import type { NextPageWithLayout, ProjectPreview } from '../../types';
 import { CONFIG } from '../../utils/config';
 import { ROUTES } from '../../utils/constants';
-import {
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
-} from '../../utils/helpers';
+import { getSchemaFrom, getWebPageGraph } from '../../utils/helpers';
 import {
   getAllProjects,
   loadTranslation,
@@ -52,27 +47,18 @@ const ProjectsPage: NextPageWithLayout<ProjectsPageProps> = ({ data }) => {
   const { items: breadcrumbItems, schema: breadcrumbSchema } =
     useBreadcrumbs(title);
   const intl = useIntl();
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.PROJECTS,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const articleSchema = getSinglePageSchema({
-    dates,
-    description: seo.description,
-    id: 'projects',
-    kind: 'page',
-    locale: CONFIG.locales.defaultLocale,
-    slug: ROUTES.PROJECTS,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    articleSchema,
-    breadcrumbSchema,
+
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      dates,
+      description: seo.description,
+      slug: ROUTES.PROJECTS,
+      title,
+    }),
   ]);
+
   const page = {
     title: `${seo.title} - ${CONFIG.name}`,
     url: `${CONFIG.url}${ROUTES.PROJECTS}`,
@@ -89,14 +75,12 @@ const ProjectsPage: NextPageWithLayout<ProjectsPageProps> = ({ data }) => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={page.title} />
         <meta property="og:description" content={seo.description} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-projects"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={<PageContent components={mdxComponents} />}
diff --git a/src/pages/recherche/index.tsx b/src/pages/recherche/index.tsx
index fd7f9e1..84e75af 100644
--- a/src/pages/recherche/index.tsx
+++ b/src/pages/recherche/index.tsx
@@ -1,8 +1,6 @@
-/* eslint-disable max-statements */
 import type { GetStaticProps } from 'next';
 import Head from 'next/head';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useCallback } from 'react';
 import { useIntl } from 'react-intl';
 import {
@@ -37,11 +35,11 @@ import type {
 import { CONFIG } from '../../utils/config';
 import { ROUTES } from '../../utils/constants';
 import {
-  getBlogSchema,
   getLinksItemData,
   getPostsWithUrl,
-  getSchemaJson,
-  getWebPageSchema,
+  getSchemaFrom,
+  getSearchResultsPageGraph,
+  getWebPageGraph,
 } from '../../utils/helpers';
 import { loadTranslation, type Messages } from '../../utils/helpers/server';
 import {
@@ -165,17 +163,17 @@ const SearchPage: NextPageWithLayout<SearchPageProps> = ({ data }) => {
         ? intl.formatMessage(
             {
               defaultMessage:
-                'Discover search results for {query} on {websiteName}.',
+                'Discover search results for {query} on {websiteName} website.',
               description: 'SearchPage: SEO - Meta description',
-              id: 'pg26sn',
+              id: 'bW6Zda',
             },
             { query: query.s as string, websiteName: CONFIG.name }
           )
         : intl.formatMessage(
             {
-              defaultMessage: 'Search for a post on {websiteName}.',
+              defaultMessage: 'Search for a post on {websiteName} website.',
               description: 'SearchPage: SEO - Meta description',
-              id: 'npisb3',
+              id: 'rEp1mS',
             },
             { websiteName: CONFIG.name }
           ),
@@ -213,21 +211,20 @@ const SearchPage: NextPageWithLayout<SearchPageProps> = ({ data }) => {
 
   const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumbs();
 
-  const webpageSchema = getWebPageSchema({
-    description: messages.seo.metaDesc,
-    locale: CONFIG.locales.defaultLocale,
-    slug: asPath,
-    title: messages.pageTitle,
-  });
-  const blogSchema = getBlogSchema({
-    isSinglePage: false,
-    locale: CONFIG.locales.defaultLocale,
-    slug: asPath,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    blogSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    query.s
+      ? getSearchResultsPageGraph({
+          breadcrumb: breadcrumbSchema,
+          description: messages.seo.metaDesc,
+          slug: asPath,
+          title: messages.pageTitle,
+        })
+      : getWebPageGraph({
+          breadcrumb: breadcrumbSchema,
+          description: messages.seo.metaDesc,
+          slug: asPath,
+          title: messages.pageTitle,
+        }),
   ]);
 
   const pageUrl = `${CONFIG.url}${asPath}`;
@@ -243,14 +240,12 @@ const SearchPage: NextPageWithLayout<SearchPageProps> = ({ data }) => {
         <meta property="og:type" content="website" />
         <meta property="og:title" content={messages.pageTitle} />
         <meta property="og:description" content={messages.seo.title} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-blog"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={messages.pageTitle}
         meta={{ total: articles ? articles[0].pageInfo.total : undefined }}
diff --git a/src/pages/sujet/[slug].tsx b/src/pages/sujet/[slug].tsx
index 9d42644..af78185 100644
--- a/src/pages/sujet/[slug].tsx
+++ b/src/pages/sujet/[slug].tsx
@@ -4,7 +4,6 @@ import type { GetStaticPaths, GetStaticProps } from 'next';
 import Head from 'next/head';
 import NextImage from 'next/image';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useIntl } from 'react-intl';
 import {
   getLayout,
@@ -37,10 +36,10 @@ import { CONFIG } from '../../utils/config';
 import {
   getLinksItemData,
   getPostsWithUrl,
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
+  getSchemaFrom,
+  getWebPageGraph,
   slugify,
+  trimHTMLTags,
 } from '../../utils/helpers';
 import { loadTranslation, type Messages } from '../../utils/helpers/server';
 import {
@@ -87,27 +86,16 @@ const TopicPage: NextPageWithLayout<TopicPageProps> = ({ data }) => {
     website: officialWebsite,
   } = meta;
 
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const articleSchema = getSinglePageSchema({
-    cover: cover?.src,
-    dates,
-    description: intro,
-    id: 'topic',
-    kind: 'page',
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    articleSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      cover: cover?.src,
+      dates,
+      description: trimHTMLTags(intro),
+      slug,
+      title,
+    }),
   ]);
 
   const messages = {
@@ -157,14 +145,12 @@ const TopicPage: NextPageWithLayout<TopicPageProps> = ({ data }) => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-project"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={
           <>
diff --git a/src/pages/thematique/[slug].tsx b/src/pages/thematique/[slug].tsx
index f019341..56b956f 100644
--- a/src/pages/thematique/[slug].tsx
+++ b/src/pages/thematique/[slug].tsx
@@ -3,7 +3,6 @@ import type { ParsedUrlQuery } from 'querystring';
 import type { GetStaticPaths, GetStaticProps } from 'next';
 import Head from 'next/head';
 import { useRouter } from 'next/router';
-import Script from 'next/script';
 import { useIntl } from 'react-intl';
 import {
   getLayout,
@@ -36,10 +35,10 @@ import { CONFIG } from '../../utils/config';
 import {
   getLinksItemData,
   getPostsWithUrl,
-  getSchemaJson,
-  getSinglePageSchema,
-  getWebPageSchema,
+  getSchemaFrom,
+  getWebPageGraph,
   slugify,
+  trimHTMLTags,
 } from '../../utils/helpers';
 import { loadTranslation, type Messages } from '../../utils/helpers/server';
 import {
@@ -79,26 +78,15 @@ const ThematicPage: NextPageWithLayout<ThematicPageProps> = ({ data }) => {
   const { content, intro, meta, slug, title } = thematic;
   const { articles, dates, seo, relatedTopics } = meta;
 
-  const webpageSchema = getWebPageSchema({
-    description: seo.description,
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title: seo.title,
-    updateDate: dates.update,
-  });
-  const articleSchema = getSinglePageSchema({
-    dates,
-    description: intro,
-    id: 'thematic',
-    kind: 'page',
-    locale: CONFIG.locales.defaultLocale,
-    slug,
-    title,
-  });
-  const schemaJsonLd = getSchemaJson([
-    webpageSchema,
-    articleSchema,
-    breadcrumbSchema,
+  const jsonLd = getSchemaFrom([
+    getWebPageGraph({
+      breadcrumb: breadcrumbSchema,
+      copyrightYear: new Date(dates.publication).getFullYear(),
+      dates,
+      description: trimHTMLTags(intro),
+      slug,
+      title,
+    }),
   ]);
 
   const messages = {
@@ -148,14 +136,12 @@ const ThematicPage: NextPageWithLayout<ThematicPageProps> = ({ data }) => {
         <meta property="og:type" content="article" />
         <meta property="og:title" content={title} />
         <meta property="og:description" content={intro} />
+        <script
+          // eslint-disable-next-line react/no-danger
+          dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+          type="application/ld+json"
+        />
       </Head>
-      <Script
-        // eslint-disable-next-line react/jsx-no-literals -- Id allowed
-        id="schema-project"
-        type="application/ld+json"
-        // eslint-disable-next-line react/no-danger -- Necessary for schema
-        dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
-      />
       <PageHeader
         heading={title}
         intro={intro}