Données structurées de sujet : tous les messages déclarés comme "mainEntityOfPage"

Dev
1

Dans le modèle de données structurées, il ne devrait y avoir qu’un seul objet déclaré comme mainEntity / mainEntityOfPage.
Voir “mainEntity” - Informations de base - Modèle de données - schema.org

Actuellement, chaque publication est déclarée comme mainEntityOfPage.

Google considère chaque page (= url) comme son propre contexte. Il est ainsi possible de déclarer une publication par url comme mainEntity – par exemple :

  • https://DOMAIN/t/SLUG/43 : l’entité principale est #post_1
  • https://DOMAIN/t/SLUG/43?page=2 : l’entité principale est l’un des #post_10 à #post_19
  • https://DOMAIN/t/SLUG/43?page=3 : l’entité principale est l’un des #post_20 à #post_29
  • […]

Voir également la discussion sur schema.org concernant la “pagination des ItemLists” et Google : pagination for ItemList · Issue #1714 · schemaorg/schemaorg · GitHub

  • pagination for ItemList · Issue #1714 · schemaorg/schemaorg · GitHub
  • pagination for ItemList · Issue #1714 · schemaorg/schemaorg · GitHub

L’extrait ci-dessus de la documentation pour développeurs de Google pourrait être obsolète car il est actuellement manquant : General Structured Data Guidelines | Google Search Central  |  Documentation  |  Google for Developers

2

Est-ce que cela n’est pas lié à l’utilisation de : DiscussionForumPosting - Schema.org Type

Nous utilisons ceci pour chaque publication, il semble que nous devrions seulement l’utiliser pour la première publication, puis utiliser Comment - Schema.org Type pour le reste.

De cette façon, nous nous débarrassons de tous les titres répétés, de la pagination et du reste des choses qui ne conviennent pas.

1 « J'aime »
3

Google pourrait ne pas vraiment se soucier des sous-types comme DiscussionForumPosting et les mapper plutôt au type parent Article.
Ce faisant, Discourse pourrait ressembler davantage à un blog avec des Articles plus des Commentaires du point de vue de Google.

Peut-être qu’une autre façon est de clarifier les relations entre DiscussionForumPostings :
par exemple, en utilisant about - Schema.org Property pour déclarer le message parent à l’intérieur de chaque réponse.

post_1 (mainEntityOfPage)
|
+-- post_2 (about post_1)
|
+-- post_3 (about post_1)
|   |
|   + post_4 (about post_3)
|   + post_6 (about post_3)
|
+ post_5 (about post_1)

Il y a une discussion sur la façon d’utiliser DiscussionForumPosting :

Une opinion - voir : We have DiscussionForumPosting but no DiscussionForum... · Issue #125 · schemaorg/suggestions-questions-brainstorming · GitHub

La description de DisccussionForumPosting est “Une publication sur un forum de discussion.”.

Un forum typique est composé de catégories. Les catégories contiennent des forums, et un forum contient des sujets. Un sujet contient 1 ou plusieurs messages de forum.

La description semble indiquer que ce schéma concerne un message de forum individuel, mais l’exemple semble montrer qu’il concerne un sujet qui peut comporter plusieurs messages de forum de plusieurs auteurs.

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4

I stumbled upon a working structured data model (= Google makes rich snippets) for forum posts in the wild: XenForo

Google SERP mobile view

signal-2022-11-16-195847_002
signal-2022-11-16-195847_0021024×1485 157 KB

Google SERP desktop view

grafik
grafik860×330 98.2 KB

Technical details

e.g. https://www.audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/

Heavily reduced HTML code:

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        […]
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        <h1>Headphones and the Harman target curve</h1>

        <ul>
            <li>
                <a href="/forum/index.php?members/spittiz.6175/" itemprop="name">spittiz</a>
            </li>
            <li>
                <a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/">
                    <time datetime="2020-11-27T20:59:17+0000" title="Nov 27, 2020 at 8:59 PM">Nov 27, 2020</time>
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        <nav>
            <ul>
                <li><a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/">1</a></li>
                […]
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        <!-- Topic opening post -->
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            </header>
            <article>
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                    [quote text]
                </blockquote>
                [post text]
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        </article>

        <article id="js-post-582634">[…]</article>

        […]

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        <article id="js-post-584505">[…]</article>
    </body>
</html>
Reduced HTML source (click here to open) 
<!DOCTYPE html>
<html>
    <head>
        <title>Headphones and the Harman target curve | Audio Science Review (ASR) Forum</title>

        <meta name="description" content="I recently started dabbling with EQ&#039;ing my headphones (APO+Peace). I&#039;ve been going back and fort with this with two of my headphones, the Hifiman Ananda and..." />
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                    <span itemprop="name">Headphones and Headphone Amplifier Reviews</span>
                    </a>
                    <meta itemprop="position" content="3" />
                </li>
            </ul>
        </nav>

        <h1>Headphones and the Harman target curve</h1>

        <ul>
            <li>
                <a href="/forum/index.php?members/spittiz.6175/" itemprop="name">spittiz</a>
            </li>
            <li>
                <a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/"><time datetime="2020-11-27T20:59:17+0000" title="Nov 27, 2020 at 8:59 PM">Nov 27, 2020</time></a>
            </li>
        </ul>

        <nav>
            <ul>
                <li><a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/">1</a></li>
                <li><a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/page-2">2</a></li>
                <li><a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/page-3">3</a></li>
                <li><a href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/page-18">18</a></li>
            </ul>
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