feat: more structured data

Signed-off-by: João Augusto Costa Branco Marado Torres <torres.dev@disroot.org>

11 files changed, 371 insertions, 193 deletions

diff --git a/src/components/BaseHead.astro b/src/components/BaseHead.astro
index 885447c..b57127a 100644
--- a/src/components/BaseHead.astro
+++ b/src/components/BaseHead.astro
@@ -58,13 +58,22 @@ const {
   type="text/html"
   title={`${isOnion ? "Clearnet" : "Tor"} version`}
 >
+<link
+  rel="license"
+  href="https://www.gnu.org/licenses/agpl-3.0.html"
+  itemprop="license"
+/>
 
 <!-- Primary Meta Tags -->
 <title>{title}</title>
-<meta name="title" content={title} />
-<meta name="description" content={description} />
+<meta name="title" content={title} itemprop="name" />
+<meta name="description" content={description} itemprop="description" />
 <meta name="author" content={PUBLIC_SITE_AUTHOR} />
-{keywords.length > 0 && <meta name="keywords" content={keywords.join(",")} />}
+{
+  keywords.length > 0 && (
+    <meta name="keywords" content={keywords.join(",")} itemprop="keywords" />
+  )
+}
 <meta name="theme-color" content="oklch(0.4564 0.1835 20.81)" />
 <meta
   name="theme-color"
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index 3238c50..f69ba8a 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -22,10 +22,20 @@ const git = isOnion ? PUBLIC_GIT_TOR_URL ?? PUBLIC_GIT_URL : PUBLIC_GIT_URL;
       </p>
     )
   }
-  <address>
+  <address
+    itemprop="maintainer author"
+    itemscope
+    itemtype="https://schema.org/Person"
+  >
+    <link href={site} rel="author" itemprop="url" />
     <p>
-      Sítio web de <a href={site} target="_blank" rel="author"
-      >João Augusto Costa Branco Marado Torres</a>
+      Sítio web de <a href={site} target="_blank" rel="author" itemprop="name"
+      >João Augusto Costa Branco Marado Torres</a> &lt;<a
+        href="mailto:torres.dev@disroot.pt"
+        target="_blank"
+        rel="author"
+        itemprop="email"
+      >torres.dev@disroot.pt</a>&gt;
     </p>
     {
       PUBLIC_SIMPLE_X_ADDRESS && (
@@ -42,10 +52,15 @@ const git = isOnion ? PUBLIC_GIT_TOR_URL ?? PUBLIC_GIT_URL : PUBLIC_GIT_URL;
   </p>
   <section id="copying" class="mute">
     <h2 class="sr-only">Licença de <span lang="en">Software</span></h2>
-    <div lang="en">
+    <div lang="en" itemprop="copyrightNotice">
       <p>
         &lt;<a href="/" hreflang="pt-PT">cravodeabril.pt</a>&gt; Copyright
-        &copy; 2025 João Augusto Costa Branco Marado Torres
+        &copy; <time datetime="2025" itemprop="copyrightYear">2025</time> <span
+          itemprop="copyrightHolder"
+          itemscope
+          itemtype="Person"
+        ><span itemprop="name"
+          >João Augusto Costa Branco Marado Torres</span></span>
       </p>
       <p>
         This program is free software: you can redistribute it and/or modify it
diff --git a/src/components/Header.astro b/src/components/Header.astro
index 496337f..39fe35f 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -5,7 +5,8 @@ import Search from "./templates/Search.astro";
 
 <header>
   <h1>
-    <span class="bracket">&lt;</span><a href="/">cravodeabril.pt</a><span
+    <span class="bracket">&lt;</span><a itemprop="url" href="/"
+    >cravodeabril.pt</a><span
       class="bracket"
     >&gt;</span>
   </h1>
diff --git a/src/components/organisms/Date.astro b/src/components/organisms/Date.astro
index c1ec7e5..960cfb7 100644
--- a/src/components/organisms/Date.astro
+++ b/src/components/organisms/Date.astro
@@ -1,8 +1,11 @@
 ---
+import type { HTMLAttributes } from "astro/types";
+
 interface Props {
   date: Date;
   locales: Intl.LocalesArgument;
   options: Intl.DateTimeFormatOptions;
+  itemprop: HTMLAttributes<"time">["itemprop"];
 }
 
 const { date, locales, options } = Astro.props;
diff --git a/src/components/organisms/KeywordsList.astro b/src/components/organisms/KeywordsList.astro
index 4d4b140..d3b9e7f 100644
--- a/src/components/organisms/KeywordsList.astro
+++ b/src/components/organisms/KeywordsList.astro
@@ -7,7 +7,7 @@ const { keywords } = Astro.props;
 ---
 
 <p>
-  {keywords.map((x) => <span>#<b>{x}</b></span>)}
+  {keywords.map((x) => <span>#<b itemprop="keywords">{x}</b></span>)}
 </p>
 
 <style>
diff --git a/src/components/templates/MicroBlog.astro b/src/components/templates/MicroBlog.astro
index c16155e..88321dc 100644
--- a/src/components/templates/MicroBlog.astro
+++ b/src/components/templates/MicroBlog.astro
@@ -2,12 +2,9 @@
 import Date from "@components/organisms/Date.astro";
 import KeywordsList from "@components/organisms/KeywordsList.astro";
 import { getFirstUserID, getLastUpdate } from "@lib/collection/helpers";
-import { Micro } from "@lib/collection/schemas";
-import type { CollectionEntry, z } from "astro:content";
+import type { Micro, MicroEntry } from "@lib/collection/schemas";
 
-interface Props extends CollectionEntry<"blog"> {
-  data: z.infer<typeof Micro>;
-}
+interface Props extends MicroEntry {}
 
 const micro = Astro.props;
 const { id, data, rendered } = micro;
@@ -19,10 +16,14 @@ const [first, ...names] = display.split(/\s/);
 const last = names.length > 0 ? names[names.length - 1] : "";
 const little = ((first?.[0] ?? "") + (last?.[0] ?? "")).slice(0, 2);
 ---
-<article>
+<article
+  itemprop="blogPost"
+  itemscope
+  itemtype="https://schema.org/BlogPosting"
+>
   <header>
     <h3 class="title">
-      <a href={`/blog/read/${id}`}>{title}</a>
+      <a href={`/blog/read/${id}`} itemprop="headline name">{title}</a>
     </h3>
     <span class="profile_picture">{
       user?.website ? <a href={user.website}>{little}</a> : (
@@ -30,15 +31,21 @@ const little = ((first?.[0] ?? "") + (last?.[0] ?? "")).slice(0, 2);
       )
     }</span>
     <div>
-      {first} {last} <small>· <Date
+      <span
+        itemprop="author"
+        itemscope
+        itemtype="https://schema.org/Person"
+      ><span itemprop="alternateName">{first} {last}</span></span>
+      <span class="small">· <Date
           {date}
           locales={lang}
           options={{ month: "short", day: "numeric" }}
-        /></small>
+          itemprop="dateModified"
+        /></span>
     </div>
   </header>
   <div class="content small">
-    <div {lang}>
+    <div {lang} itemprop="articleBody text">
       <Fragment set:html={rendered?.html} />
     </div>
     <footer>
diff --git a/src/components/templates/Search.astro b/src/components/templates/Search.astro
index 5245643..ae80d32 100644
--- a/src/components/templates/Search.astro
+++ b/src/components/templates/Search.astro
@@ -2,8 +2,16 @@
 const { site } = Astro;
 ---
 
-<search>
-  <link rel="dns-prefetch" href="https://www.google.com/search">
+<search
+  itemprop="potentialAction"
+  itemscope
+  itemtype="https://schema.org/SearchAction"
+>
+  <link
+    rel="dns-prefetch"
+    href="https://www.google.com/search"
+    itemprop="target"
+  >
   <form
     action="https://www.google.com/search"
     target="_blank"
@@ -13,7 +21,7 @@ const { site } = Astro;
     name="search"
   >
     <details>
-      <summary>Pesquisar no website</summary>
+      <summary itemprop="description">Pesquisar no website</summary>
       <div class="details">
         <p>
           <label>Barra de pesquisa <input
@@ -25,6 +33,7 @@ const { site } = Astro;
               title={`"site:${site} " é usado para que os resultados da pesquisa fiquem restritos a este website`}
               pattern={`site:${site} .+`}
               size={`site:${site} .+`.length}
+              itemprop="query"
             /></label>
         </p>
         <p class="mute">
diff --git a/src/components/templates/SimplePostList.astro b/src/components/templates/SimplePostList.astro
index c2c002b..164b32b 100644
--- a/src/components/templates/SimplePostList.astro
+++ b/src/components/templates/SimplePostList.astro
@@ -21,14 +21,22 @@ const { posts } = Astro.props;
       const display = name ?? email ?? entity;
       return (
       <li>
-        <article>
-          <h3><a href={`/blog/read/${id}`}>{title}</a></h3>
-          {
-            description &&
-              description.split("\n\n").map((paragraph) => (
-              <p class="small">{paragraph}</p>
-            ))
-          }
+        <article
+          itemprop="blogPost"
+          itemscope
+          itemtype="https://schema.org/BlogPosting"
+        >
+          <h3>
+            <a href={`/blog/read/${id}`} itemprop="headline name">{title}</a>
+          </h3>
+          <div itemprop="abstract">
+            {
+              description &&
+                description.split("\n\n").map((paragraph) => (
+                <p class="small">{paragraph}</p>
+              ))
+            }
+          </div>
 
           <footer class="small">
             <Date
@@ -39,7 +47,12 @@ const { posts } = Astro.props;
                 month: "long",
                 day: "numeric",
               }}
-            />{display}
+              itemprop="dateModified"
+            /><span
+              itemprop="author"
+              itemscope
+              itemtype="https://schema.org/Person"
+            ><span itemprop="alternateName">{display}</span></span>
             <KeywordsList {keywords} />
           </footer>
         </article>
@@ -58,7 +71,7 @@ const { posts } = Astro.props;
       & > article {
         padding-inline-end: calc(var(--size-9) * 1em);
 
-        & > p:not(:first-of-type) {
+        & > [itemprop="abstract"] > p:not(:first-of-type) {
           margin-block-start: 1.5em;
         }
 
diff --git a/src/layouts/Base.astro b/src/layouts/Base.astro
index afee012..f03252e 100644
--- a/src/layouts/Base.astro
+++ b/src/layouts/Base.astro
@@ -27,13 +27,15 @@ interface Props extends ComponentProps<typeof BaseHead> {
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 -->
-<html dir="ltr" lang="pt-PT">
+<html dir="ltr" lang="pt-PT" itemscope itemtype="https://schema.org/WebSite">
   <head>
     <BaseHead {...Astro.props} />
   </head>
   <body>
     <Header />
-    <slot />
+    <div itemscope itemtype="https://schema.org/WebPage">
+      <slot />
+    </div>
     <Footer />
     <noscript>I see, a man of culture :)</noscript>
   </body>
diff --git a/src/pages/blog/read/[...slug].astro b/src/pages/blog/read/[...slug].astro
index 5b42e86..71d0929 100644
--- a/src/pages/blog/read/[...slug].astro
+++ b/src/pages/blog/read/[...slug].astro
@@ -1,7 +1,6 @@
 ---
 import { type CollectionEntry, getCollection } from "astro:content";
 import { render } from "astro:content";
-import BaseHead from "@components/BaseHead.astro";
 import Translations from "@components/Translations.astro";
 import { toIso8601Full } from "@utils/datetime";
 import ReadingTime from "@components/ReadingTime.astro";
@@ -10,10 +9,17 @@ import Citations from "@components/Citations.astro";
 import Signature from "@components/signature/Signature.astro";
 import CopyrightNotice from "@components/CopyrightNotice.astro";
 import { verifier as verifierPrototype } from "@lib/pgp/verify";
-import { getSigners } from "@lib/collection/helpers";
+import { getSigners, isTranslation } from "@lib/collection/helpers";
 import { get } from "@utils/anonymous";
 import Authors from "@components/signature/Authors.astro";
 import { getEntry } from "astro:content";
+import Base from "@layouts/Base.astro";
+import readingTime from "reading-time";
+import type {
+  Entry,
+  MicroEntry,
+  OriginalEntry,
+} from "@lib/collection/schemas";
 
 export async function getStaticPaths() {
   const posts = await getCollection("blog");
@@ -27,11 +33,11 @@ type Props = CollectionEntry<"blog">;
 
 const post = Astro.props;
 
-let original: CollectionEntry<"blog">;
-if (post.data.kind === "translation") {
-  original = await getEntry(
-    post.data.translationOf as CollectionEntry<"blog">,
-  );
+let original: OriginalEntry | MicroEntry;
+if (isTranslation(post)) {
+  original = await getEntry(post.data.translationOf) as
+    | OriginalEntry
+    | MicroEntry;
 
   if (!original) {
     throw new Error(`Original post not found for ${post.id}`);
@@ -126,174 +132,278 @@ const { Content } = await render(post);
 const { lang } = post.data;
 
 const commit = await verification?.commit;
+
+const reading = post.body ? readingTime(post.body, {}) : undefined;
+const minutes = reading === undefined
+  ? undefined
+  : Math.ceil(reading.minutes);
+const estimative = reading === undefined
+  ? undefined
+  : new Intl.DurationFormat(lang, {
+    style: "long",
+  }).format({ minutes });
+const duration = minutes === undefined
+  ? undefined
+  : `PT${Math.floor(minutes / 60) > 0 ? Math.floor(minutes / 60) + "H" : ""}${
+    minutes % 60 > 0 ? minutes % 60 + "M" : ""
+  }`;
+
+const getOrUndefined = (k: string) =>
+  k in post.data ? post.data[k as keyof typeof post.data] : undefined;
+const author = {
+  "@type": "Person",
+} as const;
+const contributor = post.data.signers.filter(({ role }) =>
+  role === "co-author"
+).map(() => {
+  return {
+    "@type": "Person",
+  } as const;
+});
+const translator = post.data.signers.filter(({ role }) =>
+  role === "translator"
+).map(() => {
+  return {
+    "@type": "Person",
+  } as const;
+});
+const JSONLD = {
+  "@context": "https://schema.org",
+  "@type": "BlogPosting",
+  "@id": Astro.url.href,
+  articleBody: post.rendered?.html ?? post.body,
+  abstract: getOrUndefined("description"),
+  alternativeHeadline: getOrUndefined("subtitle"),
+  author,
+  citation: [].map(() => {
+    return {
+      "@type": "CreativeWork",
+    };
+  }),
+  contributor,
+  copyrightHolder: [author, ...contributor, ...translator],
+  // copyrightNotice: post.data.license, // WORKAROUND
+  copyrightYear: post.data.dateCreated.getFullYear(),
+  creativeWorkStatus: "Published",
+  dateCreated: post.data.dateCreated.toISOString(),
+  dateModified: "dateUpdated" in post.data
+    ? post.data.dateUpdated?.toISOString()
+    : undefined,
+  // datePublished: undefined, // from git commit commit date
+  encodingFormat: "text/html",
+  headline: post.data.title,
+  inLanguage: post.data.lang,
+  isAccessibleForFree: true,
+  isBasedOn: isTranslation(post)
+    ? {
+      "@type": "BlogPosting",
+      "@id": new URL(`blog/read/${post.data.translationOf}`, Astro.site).href,
+    }
+    : undefined,
+  keywords: original.data.keywords,
+  license: post.data.license, // WORKAROUND
+  locationCreated: {
+    "@type": "Place",
+    // XXX: getOrUndefined("locationCreated"),
+  },
+  mentions: [].map(() => {
+    return {
+      "@type": "Thing",
+    };
+  }),
+  // publication: {
+  //   "@type": "PublicationEvent",
+  // }, // from git commit
+  // publisher: {
+  //   "@type": "Person",
+  // }, // from git commit
+  text: post.rendered?.html ?? post.body,
+  timeRequired: post.body !== undefined ? duration : undefined,
+  translationOf: isTranslation(post)
+    ? {
+      "@type": "BlogPosting",
+      "@id": new URL(`blog/read/${post.data.translationOf}`, Astro.site).href,
+    }
+    : undefined,
+  translator,
+  // version: undefined // TODO
+  wordCount: reading?.words,
+  workTranslations: translations.filter(({ id }) => id !== post.id).map((
+    { id },
+  ) => ({
+    "@type": "BlogPosting",
+    "@id": new URL(`blog/read/${id}`, Astro.site).href,
+  })),
+  description: getOrUndefined("description"),
+  name: post.data.title,
+  url: Astro.url.href,
+} as const;
 ---
 
-<html lang="pt-PT">
-  <head>
-    <BaseHead
-      title={post.data.title}
-      description={"description" in post.data
-        ? post.data.description
-        : post.data.title}
-    />
-  </head>
-
-  <body>
-    <main>
-      <article
-        itemscope
-        itemtype="http://schema.org/BlogPosting"
-        itemid={Astro.url.href}
-      >
-        <Translations {translations} {lang} />
-        <hgroup>
-          <h1 itemprop="headline">{post.data.title}</h1>
-          {
-            "subtitle" in post.data && (
-              <p itemprop="alternativeHeadline" class="subtitle">
-                {post.data.subtitle}
-              </p>
-            )
-          }
-        </hgroup>
+<Base
+  title={post.data.title}
+  description={"description" in post.data ? post.data.description : post.data.title}
+>
+  <main>
+    <article
+      itemscope
+      itemtype="http://schema.org/BlogPosting"
+      itemid={Astro.url.href}
+    >
+      <Translations {translations} {lang} />
+      <hgroup>
+        <h1 itemprop="headline">{post.data.title}</h1>
         {
-          "description" in post.data && post.data.description &&
-  (
-            <section itemprop="abstract">
-              <h2>Resumo</h2>
-              {
-                post.data.description.split(new RegExp("\\s{2,}"))
-                  .map((
-                    x,
-                  ) => <p>{x}</p>)
-              }
-            </section>
+          "subtitle" in post.data && (
+            <p itemprop="alternativeHeadline" class="subtitle">
+              {post.data.subtitle}
+            </p>
           )
         }
-        {verification && <Signature {lang} {verification} />}
-        <footer>
-          {
-            verification?.verifications &&
+      </hgroup>
+      {
+        "description" in post.data && post.data.description &&
   (
-              <Authors
-                verifications={verification.verifications}
-                expectedSigners={signers}
-                commitSignerKey={commit?.signature?.signer}
-              />
-            )
-          }
-          <dl>
-            <dt>Data de criação</dt>
-            <dd>
-              <time
-                itemprop="dateCreated"
-                datetime={toIso8601Full(post.data.dateCreated)}
-              >{
-                new Intl.DateTimeFormat([lang], {}).format(
-                  post.data.dateCreated,
-                )
-              }</time>
-            </dd>
+          <section itemprop="abstract">
+            <h2>Resumo</h2>
             {
-              post.data.dateUpdated && (
-                <dt>Última atualização</dt><dd>
-                  <time
-                    itemprop="dateModified"
-                    datetime={toIso8601Full(post.data.dateUpdated)}
-                  >{
-                    new Intl.DateTimeFormat([lang], {}).format(
-                      post.data.dateUpdated,
-                    )
-                  }</time>
-                </dd>
-              )
-            }
-            {
-              "locationCreated" in post.data &&
-                post.data.locationCreated && (
-                <dt
-                  itemprop="locationCreated"
-                  itemscope
-                  itemtype="https://schema.org/Place"
-                >
-                  Local de criação
-                </dt><dd>
-                  <span itemprop="name">{post.data.locationCreated}</span>
-                </dd>
-              )
+              post.data.description.split(new RegExp("\\s{2,}"))
+                .map((
+                  x,
+                ) => <p>{x}</p>)
             }
-          </dl>
-          <ReadingTime body={post.body} {lang} />
-        </footer>
-        <hr />
-        <div itemprop="articleBody text"><Content /></div>
-        <hr />
-        {
-          "keywords" in original.data && (
-            <Keywords keywords={original.data.keywords} />
-          )
-        }
+          </section>
+        )
+      }
+      {verification && <Signature {lang} {verification} />}
+      <footer>
         {
-          "relatedPosts" in original.data && (
-            <Citations citations={original.data.relatedPosts} />
+          verification?.verifications &&
+  (
+            <Authors
+              verifications={verification.verifications}
+              expectedSigners={signers}
+              commitSignerKey={commit?.signature?.signer}
+            />
           )
         }
-        <CopyrightNotice
-          author={signers[0]?.entity.data.websites?.[0] ?? "Anonymous"}
-          website={signers[0]?.entity.data.websites?.[0]}
-          email={signers[0]?.entity.data.websites?.[0]}
-          title={post.data.title}
-          dateCreated={post.data.dateCreated}
-          license={post.data.license}
-        />
-      </article>
-    </main>
-  </body>
-</html>
+        <dl>
+          <dt>Data de criação</dt>
+          <dd>
+            <time
+              itemprop="dateCreated"
+              datetime={toIso8601Full(post.data.dateCreated)}
+            >{
+              new Intl.DateTimeFormat([lang], {}).format(
+                post.data.dateCreated,
+              )
+            }</time>
+          </dd>
+          {
+            post.data.dateUpdated && (
+              <dt>Última atualização</dt><dd>
+                <time
+                  itemprop="dateModified"
+                  datetime={toIso8601Full(post.data.dateUpdated)}
+                >{
+                  new Intl.DateTimeFormat([lang], {}).format(
+                    post.data.dateUpdated,
+                  )
+                }</time>
+              </dd>
+            )
+          }
+          {
+            "locationCreated" in post.data &&
+              post.data.locationCreated && (
+              <dt
+                itemprop="locationCreated"
+                itemscope
+                itemtype="https://schema.org/Place"
+              >
+                Local de criação
+              </dt><dd>
+                <span itemprop="name">{post.data.locationCreated}</span>
+              </dd>
+            )
+          }
+        </dl>
+        <ReadingTime body={post.body} {lang} />
+      </footer>
+      <hr />
+      <div itemprop="articleBody text"><Content /></div>
+      <hr />
+      {
+        "keywords" in original.data && (
+          <Keywords keywords={original.data.keywords} />
+        )
+      }
+      {
+        "relatedPosts" in original.data && (
+          <Citations citations={original.data.relatedPosts} />
+        )
+      }
+      <CopyrightNotice
+        author={signers[0]?.entity.data.websites?.[0] ?? "Anonymous"}
+        website={signers[0]?.entity.data.websites?.[0]}
+        email={signers[0]?.entity.data.websites?.[0]}
+        title={post.data.title}
+        dateCreated={post.data.dateCreated}
+        license={post.data.license}
+      />
+    </article>
+  </main>
+</Base>
+
+<script
+  type="application/ld+json"
+  is:inline
+  set:html={JSON.stringify(JSONLD)}
+/>
 
 <script type="module" is:inline>
   hashchange();
 
-    window.addEventListener("hashchange", hashchange);
-
-    document.addEventListener(
-      "click",
-      function (event) {
-        if (
-          event.target &&
-          event.target instanceof HTMLAnchorElement &&
-          event.target.href === location.href &&
-          location.hash.length > 1
-        ) {
-          requestIdleCallback(function () {
-            if (!event.defaultPrevented) {
-              hashchange();
-            }
-          });
-        }
-      },
-      false,
-    );
+  window.addEventListener("hashchange", hashchange);
+
+  document.addEventListener(
+    "click",
+    function (event) {
+      if (
+        event.target &&
+        event.target instanceof HTMLAnchorElement &&
+        event.target.href === location.href &&
+        location.hash.length > 1
+      ) {
+        requestIdleCallback(function () {
+          if (!event.defaultPrevented) {
+            hashchange();
+          }
+        });
+      }
+    },
+    false,
+  );
 
-    function hashchange() {
-      let hash;
+  function hashchange() {
+    let hash;
 
-      try {
-        hash = decodeURIComponent(location.hash.slice(1)).toLowerCase();
-      } catch (e) {
-        return;
-      }
+    try {
+      hash = decodeURIComponent(location.hash.slice(1)).toLowerCase();
+    } catch (e) {
+      return;
+    }
 
-      const name = "user-content-" + hash;
-      const target = document.getElementById(name) ||
-        document.getElementsByName(name)[0];
+    const name = "user-content-" + hash;
+    const target = document.getElementById(name) ||
+      document.getElementsByName(name)[0];
 
-      if (target) {
-        requestIdleCallback(function () {
-          target.scrollIntoView();
-        });
-      }
+    if (target) {
+      requestIdleCallback(function () {
+        target.scrollIntoView();
+      });
     }
+  }
 </script>
 
 <style is:inline>
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 1c80a76..5908e66 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -23,7 +23,11 @@ const micro = await fromPosts(
 ---
 
 <Base title={PUBLIC_SITE_TITLE}>
-  <main>
+  <main
+    itemprop="mainContentOfPage"
+    itemscope
+    itemtype="https://schema.org/WebPageElement"
+  >
     <article>
       <h2>Viva abril!</h2>
       <figure>
@@ -44,8 +48,13 @@ const micro = await fromPosts(
     </article>
     {
       (originals.length > 0 || micro) && (
-        <section id="posts">
-          <h2>Últimas aplicações atualizadas</h2>
+        <section
+          id="posts"
+          itemprop="citation"
+          itemscope
+          itemtype="http://schema.org/Blog"
+        >
+          <h2 itemprop="name description">Últimas aplicações atualizadas</h2>
           {micro && <div id="last-micro"><MicroBlog {...micro} /></div>}
           <div id="last-originals"><SimplePostList posts={originals} /></div>
         </section>