Themenstrukturierte Daten: Alle Beiträge als "mainEntityOfPage" deklariert

[rrit (Ayke)]

Im strukturierten Datenmodell sollte nur ein Objekt als mainEntity / mainEntityOfPage deklariert werden.
Siehe “mainEntity” - Hintergrundinformationen - Datenmodell - schema.org

Derzeit wird jeder einzelne Beitrag als mainEntityOfPage deklariert.

Google betrachtet jede Seite (= URL) als ihren eigenen Kontext. Daher ist es möglich, einen Beitrag pro URL als mainEntity zu deklarieren – z. B.

• https://DOMAIN/t/SLUG/43: Hauptentität ist #post_1
• https://DOMAIN/t/SLUG/43?page=2: Hauptentität ist einer von #post_10 bis #post_19
• https://DOMAIN/t/SLUG/43?page=3: Hauptentität ist einer von #post_20 bis #post_29
• […]

---

Siehe auch Diskussion zu schema.org über “Pagination von ItemLists” und Google: pagination for ItemList · Issue #1714 · schemaorg/schemaorg · GitHub

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

  Aus meiner Erfahrung mit Googles Behandlung dieser Art von Dingen gibt es kein Interesse/Kapazität für mehrseitige Graphen; nur im Kontext der betreffenden Seite.

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

  Siehe diesen Kommentar aus der Entwicklerdokumentation von Google:

  Eine Kategorieseite, die mehrere verschiedene Produkte (oder Rezepte, Videos oder andere Elemente) auflistet. Jede Entität sollte mit dem entsprechenden schema.org-Typ markiert werden, z. B. schema.org/Product für Kategorieseiten mit Produkten. Wenn jedoch ein Element markiert ist, sollten alle Elemente markiert werden. Außerdem sollten die markierten Elemente, sofern es sich nicht um eine Karussellseite handelt, nicht auf separate Detailseiten verlinken.

Der obige Auszug aus der Entwicklerdokumentation von Google ist möglicherweise veraltet, da er derzeit fehlt: General Structured Data Guidelines | Google Search Central  |  Documentation  |  Google for Developers

[sam (Sam Saffron)]

Hat dies keinen Bezug zur Verwendung von: DiscussionForumPosting - Schema.org Type

Wir verwenden dies für jeden einzelnen Beitrag. Es sieht so aus, als ob wir es nur für den ersten Beitrag verwenden und dann Comment - Schema.org Type für den Rest verwenden sollten.

Auf diese Weise werden all die wiederholten Titel, Paginierungs-Sachen und der Rest der Dinge, die nicht gut passen, beseitigt.

[rrit (Ayke)]

@sam

wir sollten nur [DisccussionForumPosting] für den ersten Beitrag verwenden und dann für den Rest Comment - Schema.org Type verwenden.

Google kümmert sich möglicherweise nicht wirklich um Untertypen wie DiscussionForumPosting und ordnet diese stattdessen dem übergeordneten Typ Article zu.
Dadurch könnte Discourse aus Googles Sicht eher wie ein Blog mit Articles plus Comments aussehen.

Vielleicht gibt es eine andere Möglichkeit, die Beziehungen zwischen DiscussionForumPostings klarer zu gestalten:
z. B. durch die Verwendung von about - Schema.org Property, um den übergeordneten Beitrag innerhalb jeder Antwort zu deklarieren.

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)

---

Es gibt eine Diskussion darüber, wie DiscussionForumPosting verwendet werden soll:

Eine Meinung – siehe: We have DiscussionForumPosting but no DiscussionForum... · Issue #125 · schemaorg/suggestions-questions-brainstorming · GitHub

Die Beschreibung von DisccussionForumPosting lautet „A posting to a discussion forum.“ (Ein Beitrag in einem Diskussionsforum).

Ein typisches Forum besteht aus Kategorien. Kategorien enthalten Foren, und ein Forum enthält Themen. Ein Thema enthält 1 oder mehr Forenbeiträge.

Die Beschreibung scheint darauf hinzudeuten, dass dieses Schema für einen einzelnen Forenbeitrag gilt, aber das Beispiel scheint zu zeigen, dass es sich um ein Thema handelt, das mehrere Forenbeiträge von mehreren Autoren enthalten kann.

[rrit (Ayke)]

Ich bin auf ein funktionierendes strukturiertes Datenmodell (= Google Rich Snippets) für Forum-Beiträge im Internet gestoßen: XenForo

Google SERP Mobile-Ansicht

Google SERP Desktop-Ansicht

Technische Details

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

Stark reduzierter HTML-Code:

<!DOCTYPE html>
<html>
    <head>
        <title>Headphones and the Harman target curve | Audio Science Review (ASR) Forum</title>
        […]
    </head>
    <body>
        <script type="application/ld+json">
            {
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                "@type": "DiscussionForumPosting",
                "@id": "https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/",
                "headline": "Headphones and the Harman target curve",
                "articleBody": "I recently started dabbling with EQ'ing my headphones (APO+Peace). I've been going back and fort with this with two of my headphones, the Hifiman Ananda and the Denon AH-D7200. With both of them, I think the Harman target profile sounds like...",
                "articleSection": "Headphones and Headphone Amplifier Reviews",
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                    "name": "spittiz"
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                    "@id": "https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/"
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        </script>

        <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-18">18</a></li>
            </ul>
        </nav>

        <!-- Topic opening post -->
        <article id="js-post-582475">
            <section itemscope itemtype="https://schema.org/Person"></section>
            <header>
                <time datetime="2020-11-27T20:59:17+0000" title="Nov 27, 2020 at 8:59 PM" itemprop="datePublished">Nov 27, 2020</time>
            </header>
            <article>
                [post text]
            </article>
        </article>

        <!-- First answer -->
        <article id="js-post-582631">
            <section itemscope itemtype="https://schema.org/Person">[…]</section>
            <header>
                <time datetime="2020-11-28T01:50:59+0000" title="Nov 28, 2020 at 1:50 AM" itemprop="datePublished">Nov 28, 2020</time>
            </header>
            <article>
                <blockquote>
                    [quote text]
                </blockquote>
                [post text]
            </article>
            <time datetime="2020-11-28T02:03:35+0000" title="Nov 28, 2020 at 2:03 AM" itemprop="dateModified">Nov 28, 2020</time>
        </article>

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

        […]

        <article id="js-post-584460">[…]</article>

        <article id="js-post-584505">[…]</article>
    </body>
</html>

Reduzierter HTML-Quellcode (hier klicken, um zu öffnen)

<!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..." />
        <meta property="og: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 the Denon AH-D7200. With both of them, I think the Harman target profile sounds like shit. Especially with the Ananda it&#039;s like throwing a..." />
        <meta property="twitter: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 the Denon AH-D7200. With both of them..." />

        <meta property="og:url" content="https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/" />
        <link rel="canonical" href="https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/" />

        <link rel="next" href="/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/page-2" />

        <meta property="og:site_name" content="Audio Science Review (ASR) Forum" />
        <meta property="og:type" content="website" />
        <meta property="twitter:card" content="summary" />

        <meta property="og:title" content="Headphones and the Harman target curve" />
        <meta property="twitter:title" content="Headphones and the Harman target curve" />

        <meta property="og:image" content="https://www.audiosciencereview.com/forum%20resources/Two-line%20ASR%20Logo-new.png" />
        <meta property="twitter:image" content="https://www.audiosciencereview.com/forum%20resources/Two-line%20ASR%20Logo-new.png" />

    </head>
    <body>
        <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "DiscussionForumPosting",
                "@id": "https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/",
                "headline": "Headphones and the Harman target curve",
                "articleBody": "I recently started dabbling with EQ'ing my headphones (APO+Peace). I've been going back and fort with this with two of my headphones, the Hifiman Ananda and the Denon AH-D7200. With both of them, I think the Harman target profile sounds like...",
                "articleSection": "Headphones and Headphone Amplifier Reviews",
                "author": {
                    "@type": "Person",
                    "name": "spittiz"
                },
                "datePublished": "2020-11-27T20:59:17+00:00",
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                    }
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                "mainEntityOfPage": {
                    "@type": "WebPage",
                    "@id": "https://audiosciencereview.com/forum/index.php?threads/headphones-and-the-harman-target-curve.17914/"
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            }
        </script>

        <header>
            […]
        </header>

        <nav>
            <ul itemscope itemtype="https://schema.org/BreadcrumbList">
                <li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
                    <a href="/forum/index.php" itemprop="item">
                    <span itemprop="name">Foren</span>
                    </a>
                    <meta itemprop="position" content="1" />
                </li>
                <li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
                    <a href="/forum/index.php#audio-audio-audio.40" itemprop="item">
                    <span itemprop="name">Audio, Audio, Audio!</span>
                    </a>
                    <meta itemprop="position" content="2" />
                </li>
                <li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
                    <a href="/forum/index.php?forums/headphones-and-headphone-amplifier-reviews.57/" itemprop="item">
                    <span itemprop="name">Kopfhörer- und Kopfhörerverstärker-Bewertungen</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>
        </nav>

        <article id="js-post-582475">
            <section itemscope itemtype="https://schema.org/Person">
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                <img src="/forum/data/avatars/m/6/6175.jpg?1606506178" alt="spittiz" width="96" height="96" itemprop="image" /> 
                </a>
                <h4><a href="/forum/index.php?members/spittiz.6175/" itemprop="name">spittiz</a></h4>
                <h5 itemprop="jobTitle">Mitglied</h5>
                <dl>
                    <dt>Beigetreten</dt>
                    <dd>7. Feb. 2019</dd>
                </dl>
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                    <dd>14</dd>
                </dl>
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                    <dd>12</dd>
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            </section>
            <header>
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                            rel="nofollow">
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                <h5 itemprop="jobTitle">Senior-Mitglied</h5>
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