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

Knowledge Graph entries are generated algorithmically and can appear or disappear over time. Google does not manually modify these entries.
2:08
🎥 Source video

Extracted from a Google Search Central video

⏱ 1h02 💬 EN 📅 07/03/2017 ✂ 10 statements
Watch on YouTube (2:08) →
Other statements from this video 9
  1. 4:38 Le duplicate content involontaire peut-il vraiment bloquer votre récupération Panda ?
  2. 14:44 Les pages utilitaires avec beaucoup de liens internes tuent-elles vraiment votre SEO ?
  3. 15:46 Les pages de faible qualité sabotent-elles vraiment l'autorité de tout votre site ?
  4. 41:48 Le robots.txt bloque-t-il vraiment la transmission de PageRank et l'indexation ?
  5. 47:00 La vitesse mobile affecte-t-elle vraiment le classement SEO ?
  6. 51:30 L'indexation mobile-first hérite-t-elle vraiment de tous les signaux desktop ?
  7. 56:40 La vitesse mobile va-t-elle enfin devenir un critère de classement Google ?
  8. 58:06 Le contenu sous onglets mobile est-il vraiment indexé par Google ?
  9. 59:10 La structure de site suffit-elle vraiment à sauver votre indexation mobile ?
📅
Official statement from (9 years ago)
TL;DR

Google claims that Knowledge Graph entries are generated purely algorithmically, without manual modification by its teams. This means your entity can appear or disappear based on the signals of structured data and authority that you send. For SEOs, the challenge is to master these signals rather than believing that a contact at Google can correct an absence or an error.

What you need to understand

What exactly is the Knowledge Graph and how does it gather information?

The Knowledge Graph is Google's semantic database that powers the information panels displayed in the SERPs. These panels present entities (people, places, organizations, concepts) with factual data: descriptions, images, contact details, relationships between entities.

The algorithm collects its data from structured sources such as Wikidata, Wikipedia, schema.org markup deployed on your pages, and other recognized databases. Google cross-references these signals to determine which entities deserve an entry, what information to display, and how much trust to place in each source.

Why does Google emphasize the absence of manual intervention?

This statement aims to put an end to requests for manual correction or direct addition. Many webmasters still believe they can contact Google to modify an erroneous Knowledge Graph entry or force the appearance of an entity.

Let's be honest: this approach does not work. Google's teams are not going to manually edit millions of entries. The system relies on algorithmic trust in the data sources and the consistency of the signals received.

What does "may appear or disappear over time" really mean?

Your entity may lose visibility in the Knowledge Graph if the reputation signals weaken: disappearance of a Wikidata page, removed schema markup, decreased external mentions, inconsistency between your site's structured data and that from third parties.

Conversely, an entity may suddenly appear after a spike in media mentions, the addition of a Wikipedia page, or rigorous deployment of structured data on your site and official profiles. The Knowledge Graph is not static; it reacts to the changes in your digital footprint.

  • Entries are not permanent and depend on the consistency and freshness of structured data signals.
  • No manual intervention from Google to correct or add a profile: everything relies on improving recognized algorithmic sources.
  • Wikidata and schema.org remain the primary levers to influence the appearance and quality of a Knowledge Graph entry.
  • Cross-platform consistency (official site, social networks, third-party profiles) enhances algorithmic trust in your entity.

SEO Expert opinion

Is this statement really consistent with field observations?

Overall, yes. Cases where an entity appears or disappears from the Knowledge Graph almost always correlate with variations in structured data sources or external mentions. When a profile seems incorrect, we trace the cause back to Wikidata, a markup inconsistency, or outdated data from third-party databases.

That said, some cases raise questions. [To be verified]: sometimes controversial or sensitive entities have their profiles removed without any apparent technical cause, which fuels suspicions of occasional manual interventions for legal or editorial reasons. Google never communicates on these exceptions.

What nuances should we add regarding the absence of manual intervention?

The statement "no manual modifications" should be nuanced. Google has moderation processes for problematic content (defamation, privacy violations, serious factual errors reported through legal procedures). These interventions are not common edits, but they do exist.

Moreover, Google has quality teams that can adjust the scoring algorithms of the Knowledge Graph to correct systemic biases. While this is not a manual modification of an individual profile, it indirectly influences which entities emerge or disappear.

In what cases does this rule seem to not fully apply?

Entities related to significant real-time events (elections, disasters, suddenly media-exposed personalities) sometimes receive expedited treatment that resembles manual intervention, but it is actually a prioritized algorithmic pipeline.

Brands with Google Business profiles also have an indirect lever: corrections made in their GBP profile can feed into the Knowledge Graph. This is not a direct edit, but a preferred channel for updating data.

If your entity is absent from the Knowledge Graph despite having an active Wikipedia page and rigorous markup, the issue often stems from lack of cross-platform consistency or a perceived lack of algorithmic reputation by Google. Increasing the number of concordant structured sources is essential.

Practical impact and recommendations

How can you maximize the chances of appearing in the Knowledge Graph?

The first step is to create or complete your Wikidata page with verifiable external references. Wikidata is a primary source for Google. Fill in essential properties (entity type, official identifiers, relationships, contact details) and source each assertion with reliable links.

Next, deploy a schema.org type Organization, Person, or LocalBusiness on your official site, with the same data as on Wikidata. Consistency between these sources enhances algorithmic trust. Use JSON-LD for a clean implementation and test with Google's Rich Results Test.

What mistakes should you avoid to not lose your existing entry?

Never abruptly modify the structured identifiers (sameAs, canonical URL, social identifiers) without properly redirecting old URLs. A break in consistency can cause you to lose your profile overnight.

Also avoid data inconsistencies between your site, your social profiles, and Wikidata. If your official name, address, or description varies from one source to another, the algorithm loses trust and may remove the entry or display incorrect information.

How can you check if your entity is properly recognized by Google?

Search for the exact name of your entity in Google and verify if a Knowledge Graph panel appears to the right of the desktop results. Also test on mobile, where the panel appears at the top of the SERPs as an enhanced card.

Use the Google Knowledge Graph Search API (free but limited in volume) to directly query the database and confirm that your entity is indexed with the correct properties. If it does not appear, it means that the signals are insufficient or inconsistent.

  • Create or complete a Wikidata page with reliable external references and complete properties.
  • Deploy rigorous schema.org (Organization, Person, LocalBusiness) in JSON-LD on your official site.
  • Maintain strict data consistency (name, address, identifiers) across all public sources.
  • Avoid any abrupt changes to structured identifiers without redirection or coordinated updates.
  • Regularly test the presence of the entity in the SERPs and via the Knowledge Graph Search API.
  • Monitor third-party sources (social profiles, directories) to correct any identified inconsistencies.
Optimizing the Knowledge Graph relies on a strong grasp of structured data sources and cross-platform consistency. These optimizations require precise technical monitoring and in-depth knowledge of semantic standards. If you lack the time or internal resources to drive this strategy, hiring a specialized SEO agency in structured data may save you months and secure your algorithmic visibility in the long term.

❓ Frequently Asked Questions

Puis-je contacter Google pour corriger une information erronée dans mon panneau Knowledge Graph ?
Non. Google ne traite pas les demandes de modification manuelle. Vous devez corriger les sources algorithmiques (Wikidata, schema.org, profils officiels) pour que l'algorithme mette à jour automatiquement l'entrée.
Pourquoi mon entité a-t-elle disparu du Knowledge Graph alors qu'elle était visible avant ?
Cela arrive quand les signaux de données structurées faiblissent : suppression d'une page Wikidata, retrait d'un markup schema.org, incohérence entre sources, ou baisse de notoriété perçue par l'algorithme.
Avoir une page Wikipedia suffit-il pour apparaître dans le Knowledge Graph ?
Non, mais cela aide beaucoup. Google croise Wikipedia avec d'autres sources comme Wikidata et le schema.org de votre site. Une page Wikipedia seule sans markup structuré cohérent ne garantit rien.
Combien de temps faut-il pour qu'une mise à jour de Wikidata ou de mon schema.org se reflète dans le Knowledge Graph ?
Cela varie entre quelques jours et plusieurs semaines selon la fréquence de crawl de vos sources et la confiance algorithmique de votre entité. Les entités très médiatisées sont mises à jour plus rapidement.
Les profils Google Business peuvent-ils influencer le Knowledge Graph ?
Oui, indirectement. Les données d'un profil GBP peuvent remonter dans le Knowledge Graph pour les entités locales, mais ce n'est pas une édition directe. La cohérence avec vos autres sources reste déterminante.
🏷 Related Topics
Algorithms Featured Snippets & SERP JavaScript & Technical SEO

🎥 From the same video 9

Other SEO insights extracted from this same Google Search Central video · duration 1h02 · published on 07/03/2017

🎥 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.