What does Google say about SEO? /
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions

Official statement

The carousels displayed in the Knowledge Graph for a site are algorithmically generated and do not affect the overall ranking of a site in normal search results.
38:58
🎥 Source video

Extracted from a Google Search Central video

⏱ 56:13 💬 EN 📅 13/11/2018 ✂ 18 statements
Watch on YouTube (38:58) →
Other statements from this video 17
  1. 1:48 Pourquoi Google galère-t-il à indexer vos nouveaux contenus rapidement ?
  2. 2:10 Le texte d'ancrage est-il vraiment important pour le référencement ?
  3. 4:17 Changer de TLD impacte-t-il vraiment votre visibilité organique ?
  4. 5:46 Faut-il simplifier l'architecture internationale de votre site pour améliorer son SEO ?
  5. 8:01 Un domaine au passé douteux peut-il vraiment retrouver la confiance de Google ?
  6. 10:06 Le texte alt des images booste-t-il vraiment votre SEO ?
  7. 10:59 L'indexation mobile-first s'applique-t-elle vraiment à tous les critères de ranking, y compris above-the-fold ?
  8. 11:38 Google peut-il ignorer votre balisage logo pour le Knowledge Graph ?
  9. 13:18 Les interstitiels de sélection linguistique bloquent-ils vraiment le crawl de Google ?
  10. 14:20 Faut-il vraiment limiter le nombre de balises H1 et H2 sur une page ?
  11. 15:55 Google utilise-t-il les scores d'organismes externes pour évaluer la réputation d'un site ?
  12. 16:26 Peut-on réutiliser les mêmes avis clients sur plusieurs pages sans pénalité SEO ?
  13. 18:25 L'indexation mobile-first peut-elle enterrer vos pages produits mal liées ?
  14. 21:33 Peut-on vraiment paginer différemment entre mobile et desktop sans risque SEO ?
  15. 37:31 Les erreurs 503 peuvent-elles vraiment faire disparaître votre site de Google ?
  16. 40:41 Faut-il vraiment rediriger une ancienne catégorie vers une seule des nouvelles URLs ?
  17. 43:12 Le contenu dupliqué interne pénalise-t-il vraiment votre référencement ?
📅
Official statement from (7 years ago)
TL;DR

Google asserts that the publisher carousels in the Knowledge Graph are algorithmically generated and do not impact traditional organic ranking. This distinction between visibility in enriched features and traditional ranking is significant. For SEOs, this means that heavily investing in optimizing these carousels will not mechanically boost your positions in standard SERPs.

What you need to understand

What exactly is a publisher carousel in the Knowledge Graph?

Publisher carousels appear when Google showcases a selection of content from the same site or editorial entity in its Knowledge Graph. Unlike traditional organic results, these elements occupy a dedicated space, often at the top or on the right side of the SERPs.

These carousels typically trigger on informational or navigational queries related to a recognized media brand. Google automatically selects the articles or content it deems relevant to the query, without any manual intervention from the publisher. The process relies on entity recognition and data structuring.

Why does Google emphasize the separation between carousel and ranking?

This statement aims to clarify a frequent confusion among publishers and SEOs. Many believe that being featured in a Knowledge Graph carousel constitutes a positive signal that would enhance the overall ranking of the site. Mueller puts an end to this belief.

The distinction is technical: the enriched SERP features (carousels, featured snippets, People Also Ask) operate on algorithms distinct from the main ranking algorithm. Achieving a zero position or carousel does not alter your PageRank, thematic authority, or E-E-A-T signals in the eyes of the core algorithm.

How are these carousels actually generated?

Google relies on several factors: recognition of the editorial entity via the Knowledge Graph, the consistency of structured markup (Article, NewsArticle), and the freshness of content. Established media sites with a strong brand identity are favored.

The engine also analyzes the thematic relevance between the query and the site's content corpus. If your site is recognized as an authority on a given topic, your recent articles on that theme are more likely to populate the carousel. However, this remains an autonomous algorithmic selection, not a manipulable ranking lever.

  • Publisher carousels are automatically generated by Google without manual intervention
  • Being featured in a carousel does not boost your organic ranking in standard results
  • Increased visibility can nonetheless generate additional direct traffic, independent of SEO
  • Structured markup and entity recognition play a role in carousel eligibility
  • These SERP features function on algorithms parallel to the main ranking algorithm

SEO Expert opinion

Is this separation between features and ranking really airtight?

Let's be honest: Mueller's statement reflects the official position of Google, but the ground reality is more nuanced. While being featured in a carousel does not directly alter your ranking score, indirect effects certainly exist. A carousel generates traffic, improves click rates on your brand, and enhances visibility.

These behavioral signals can, over time, influence your perceived authority and engagement metrics. Google can hardly ignore that a site repeatedly present in enriched features attracts more user attention. [To verify]: to what extent do these indirect signals filter into the ranking algorithm in the medium term.

What contradictions are observed on the ground?

Field observations show that sites consistently displayed in carousels tend to rank well on competitive queries. Correlation does not imply causation, of course. However, it is likely that the same factors (thematic authority, editorial quality, structured markup) favor both carousel presence and strong organic ranking.

Another troubling point: some publishers report traffic fluctuations correlated with their presence or absence in carousels. If the carousel does not affect ranking, why does overall traffic vary so much? The answer likely hinges on the fact that the carousel captures a significant share of clicks on brand queries, mechanically reducing the CTR on the standard organic results of the same site.

Should we ignore these carousels in our SEO strategy?

No. Even though the carousel does not directly boost your ranking, it remains a valuable visibility channel. On brand or thematic queries where you are identified as a reference, the carousel can capture 20 to 40% of total clicks. Ignoring this opportunity would be a tactical mistake.

The real question is about resource allocation. Should we heavily invest in specific optimization for carousels at the expense of core SEO? Probably not. It is better to treat the carousel as a collateral benefit of a solid SEO strategy: quality content, rigorous structured markup, established thematic authority. If these foundations are in place, carousels will naturally follow.

Warning: Do not confuse Knowledge Graph carousels with other SERP features such as featured snippets or Top Stories. Each operates under distinct rules. Top Stories, for instance, require integration into Google News and may have different SEO implications.

Practical impact and recommendations

What should you optimize to be eligible for carousels?

First step: ensure your site is recognized as an entity in the Knowledge Graph. Check if searching for your brand name triggers a Knowledge Graph panel. If not, work on your structured presence: Wikipedia, Wikidata, official social media, Organization schema markup.

Next, deploy consistent Article or NewsArticle structured markup throughout all your content. Include essential properties: headline, datePublished, author, publisher, image. Google relies on this data to understand the nature and freshness of your content. Test your implementation via Google Search Console's Rich Results Test.

What errors should you avoid in this process?

A frequent error: overinvesting in carousel optimization while neglecting fundamental SEO. Carousels do not compensate for a lack of authority, backlinks, or quality content. If your SEO foundation is fragile, focus on it first.

Another trap: believing there is a magic button to force carousel display. Google decides unilaterally, based on its algorithmic criteria. You can maximize your chances through markup and editorial quality, but there is no guarantee of appearance. Some publishers invest disproportionate resources in this quest without measurable returns.

How do you measure the real impact of carousels on your traffic?

Use Google Search Console to segment traffic coming from enriched features. Filter impressions and clicks by appearance type (rich results). Compare the CTR of pages present in the carousel versus their CTR in standard organic results.

Also analyze post-click user behavior: do visitors arriving through the carousel have a different bounce rate or time on site? These metrics will tell you if the carousel attracts a qualified audience or superficial traffic. Adjust your editorial strategy accordingly.

  • Check the recognition of your brand as an entity in the Knowledge Graph
  • Implement rigorous and tested Article/NewsArticle structured markup
  • Audit the consistency of Organization information (name, logo, social media)
  • Segment traffic in Search Console from rich results vs. standard organic
  • Prioritize editorial quality and thematic authority before any carousel optimization
  • Measure the real ROI: CTR, engagement, conversions from carousels
Optimization for Knowledge Graph carousels should never overshadow your fundamental SEO strategy. Treat it as a complement, not a priority. If your technical, editorial, and authority foundations are solid, carousels will come naturally. For complex sites or media with a high volume of content, orchestrating this consistency between markup, entity identity, and editorial strategy can quickly become laborious. In this context, partnering with a specialized SEO agency capable of managing these optimizations in an integrated manner ensures effective implementation without diverting internal resources.

❓ Frequently Asked Questions

Les carrousels du Knowledge Graph améliorent-ils mon classement SEO ?
Non. Google affirme explicitement que ces carrousels sont générés algorithmiquement et n'affectent pas le classement organique dans les résultats de recherche standards. Ils peuvent néanmoins générer du trafic additionnel et renforcer indirectement votre visibilité.
Comment faire apparaître mon site dans un carrousel d'éditeur ?
Vous ne pouvez pas forcer l'apparition. Google sélectionne automatiquement les contenus selon ses critères. Maximisez vos chances en assurant la reconnaissance de votre entité dans le Knowledge Graph et en déployant un balisage structuré Article/NewsArticle cohérent.
Le balisage Schema.org suffit-il pour obtenir un carrousel ?
Non. Le balisage structuré est nécessaire mais pas suffisant. Google exige aussi que votre site soit reconnu comme entité éditoriale établie, avec une autorité thématique et une cohérence éditoriale. Les petits sites ont peu de chances d'y accéder.
Les carrousels cannibalisent-ils le trafic organique classique ?
Potentiellement oui. Sur les requêtes de marque, le carrousel peut capter une part importante des clics, réduisant mécaniquement le CTR sur vos résultats organiques standards. Mesurez cet effet via Search Console pour évaluer le bilan net.
Faut-il prioriser l'optimisation carrousel dans ma roadmap SEO ?
Non. Concentrez-vous d'abord sur les fondamentaux : contenu de qualité, backlinks, autorité thématique, balisage structuré. Si ces bases sont solides, les carrousels apparaîtront naturellement comme bénéfice collatéral. Ne surinvestissez pas sur cette seule feature.
🏷 Related Topics
Algorithms Content Featured Snippets & SERP

🎥 From the same video 17

Other SEO insights extracted from this same Google Search Central video · duration 56 min · published on 13/11/2018

🎥 Watch the full video on YouTube →

Related statements

💬 Comments (0)

Be the first to comment.

2000 characters remaining
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.