Official statement
Other statements from this video 38 ▾
- 2:02 Les échanges de liens contre du contenu sont-ils vraiment sanctionnables par Google ?
- 2:02 Peut-on vraiment utiliser le lazy-loading et data-nosnippet pour contrôler ce que Google affiche en SERP ?
- 2:22 Échanger du contenu contre des backlinks peut-il déclencher une pénalité Google ?
- 2:22 Faut-il vraiment bannir les avis externes de vos données structurées Schema.org ?
- 3:38 Une migration de domaine 1:1 transfère-t-elle vraiment TOUS les signaux de classement ?
- 3:39 Une migration de domaine transfère-t-elle vraiment tous les signaux de classement ?
- 5:11 Pourquoi la fusion de deux sites web ne double-t-elle jamais votre trafic SEO ?
- 5:11 Pourquoi fusionner deux sites fait-il perdre du trafic même avec des redirections parfaites ?
- 6:26 Faut-il vraiment éviter de séparer son site en plusieurs domaines ?
- 6:36 Séparer un site en plusieurs domaines : l'erreur stratégique à éviter ?
- 8:22 Un domaine pollué peut-il vraiment handicaper votre SEO pendant plus d'un an ?
- 8:24 L'historique d'un domaine expiré peut-il plomber vos rankings pendant des mois ?
- 14:03 Google applique-t-il vraiment les Core Web Vitals par section de site ou à l'ensemble du domaine ?
- 14:06 Google peut-il vraiment évaluer les Core Web Vitals section par section sur votre site ?
- 19:27 Pourquoi Google ignore-t-il vos balises canonical et hreflang si votre HTML est mal structuré ?
- 19:58 Pourquoi vos balises SEO critiques peuvent-elles être totalement ignorées par Google ?
- 23:39 Faut-il absolument spécifier un fuseau horaire dans la balise lastmod du sitemap XML ?
- 23:39 Pourquoi le fuseau horaire dans les sitemaps XML peut-il compromettre votre crawl ?
- 24:40 Pourquoi Google ignore-t-il les dates lastmod identiques dans vos sitemaps XML ?
- 24:40 Pourquoi Google ignore-t-il les dates de modification identiques dans les sitemaps XML ?
- 25:44 Pourquoi alterner noindex et index tue-t-il votre crawl budget ?
- 25:44 Pourquoi alterner index et noindex condamne-t-il vos pages à l'oubli de Google ?
- 29:59 L'Ad Experience Report influence-t-il vraiment le classement Google ?
- 29:59 L'Ad Experience Report influence-t-il vraiment le classement Google ?
- 33:29 Faut-il vraiment casser tous vos liens de pagination pour que Google priorise la page 1 ?
- 33:42 Faut-il vraiment privilégier le maillage incrémental pour la pagination ou tout lier depuis la page 1 ?
- 37:31 Pourquoi vos tests de rendu échouent-ils alors que Google indexe correctement votre page ?
- 39:27 Comment Google indexe-t-il vraiment vos pages : par mots-clés ou par documents ?
- 39:27 Google génère-t-il des mots-clés à partir de votre contenu ou fonctionne-t-il à l'envers ?
- 40:30 Comment Google comprend-il 15% de requêtes jamais vues grâce au machine learning ?
- 43:03 Pourquoi la récupération après une pénalité Page Layout prend-elle des mois ?
- 43:04 Combien de temps faut-il vraiment pour récupérer d'une pénalité Page Layout Algorithm ?
- 44:36 Google impose-t-il un seuil maximum de publicités dans le viewport ?
- 47:29 La syndication de contenu pénalise-t-elle vraiment votre référencement naturel ?
- 51:31 Une redirection 302 finit-elle par équivaloir une 301 côté SEO ?
- 51:31 Redirections 302 vs 301 : faut-il vraiment paniquer en cas d'erreur lors d'une migration ?
- 53:34 Faut-il vraiment héberger votre blog actus sur le même domaine que votre site produit ?
- 53:40 Faut-il isoler votre blog ou section actualités sur un domaine séparé ?
Google explicitly allows the use of data-nosnippet to exclude certain parts of a page from appearing in snippets displayed in the SERPs. This HTML directive complements existing snippet control tools (meta robots, x-robots-tag). In practice, this allows you to hide sensitive or redundant content without affecting crawling or indexing, while keeping that content visible to the end-user.
What you need to understand
The data-nosnippet attribute is a granular control mechanism that allows specific portions of content to be excluded from snippets generated by Google. Unlike global nosnippet directives applied through meta robots, this HTML attribute operates at the level of individual tags.
John Mueller confirms that this practice is perfectly acceptable and will not incur any penalties. The marked content remains crawlable and indexable—it simply disappears from the snippets displayed in search results.
How does data-nosnippet differ from other nosnippet directives?
The meta name="robots" content="nosnippet" directive blocks all snippets from a page, including featured snippets and text cache. It’s a binary approach: all or nothing.
The data-nosnippet attribute, on the other hand, targets specific HTML elements: a paragraph, a span, a div. This way, you maintain control over what can be displayed in the SERPs while protecting sensitive areas (pricing, contact details, temporary content).
Why does Mueller mention lazy-loading in this context?
Deferred lazy-loading can serve as an alternative mechanism for content you do not wish to appear in snippets. If an HTML block is loaded via JavaScript after the initial render, Googlebot may not necessarily see it during the initial indexing—especially if the loading delay is long or conditioned by user interaction.
This is a less reliable method than data-nosnippet, as it depends on Google's JavaScript crawler behavior and may vary according to available resources. However, it is still valid for content strictly intended for post-loading UX (modals, dynamic tabs).
What types of content deserve data-nosnippet?
The most common use cases involve redundant or sensitive elements: legal mentions in the footer, phone numbers you do not want indexed as snippets, fluctuating prices, temporary promotional content.
Some e-commerce sites use data-nosnippet on repeated reassurance blocks (free shipping, secure payment) to prevent them from cluttering the snippets at the expense of product descriptions. It’s a defensive strategy to maintain control over the message displayed in the SERPs.
- data-nosnippet does not impact crawling, indexing, or ranking—only the display of snippets in search results.
- JavaScript lazy-loading can serve as an alternative, but it’s less reliable and depends on deferred rendering by Googlebot.
- Using data-nosnippet on strategic content (H1, product descriptions) is like shooting yourself in the foot: snippets lose relevance.
- Google respects this directive at the tag level: any HTML element can be marked (div, span, p, section).
- The combination of data-nosnippet + lazy-loading offers a double layer of protection for sensitive or temporary content.
SEO Expert opinion
Is this statement consistent with observed practices in the field?
Yes, and it’s even one of the few Google directives whose behavior is perfectly predictable. Tests show that data-nosnippet works as documented: the content disappears from snippets, remains indexed, and generates no detectable penalty.
Unlike other ambiguous signals (pagination, canonical cross-domain), data-nosnippet produces an immediate binary effect. You set it, Google executes it. No gray area.
What nuances should be added to this recommendation?
The pitfall is misuse. If you mark too much content with data-nosnippet, Google may decide not to display any snippet at all for your page, which destroys your CTR. You then lose the control you were trying to gain.
Another point: Mueller mentions lazy-loading as an alternative, but it’s a double-edged sword. Content loaded via JS after user interaction may be invisible to Googlebot if the rendering delay exceeds the allocated crawl budget. [To be verified] in your own rendering tests via Search Console or third-party tools like OnCrawl.
In what cases does this rule not apply?
If you use Schema.org structured data to generate rich snippets (products, recipes, FAQs), data-nosnippet on the corresponding HTML content does not necessarily block enriched display. Google may prioritize JSON-LD or microdata structured data.
Another limitation: featured snippets. Google may ignore data-nosnippet and still extract a passage if deemed relevant for a zero position. This is not systematic, but control is never total. If you really want to block featured snippets, use the meta directive max-snippet:0.
Practical impact and recommendations
What concrete steps should be taken to implement data-nosnippet?
Identify the HTML blocks that you never want to appear in snippets: contact details, fluctuating prices, promotional banners, redundant legal content. Apply the attribute directly to the enclosing tag (div, span, section).
Practical example: <div data-nosnippet>Price: €49.99</div>. Google will ignore this block when generating the snippet, but the content remains crawlable and can contribute to the semantic understanding of the page.
What mistakes should absolutely be avoided with data-nosnippet?
Never mark your main content with data-nosnippet. If your product description, H1, or first paragraph are excluded, Google may display an empty snippet or generate one from peripheral elements (menu, footer), which destroys your CTR.
Avoid also cumulatively marking 80% of your visible content with data-nosnippet. Google might interpret this as an attempt at manipulation or simply give up displaying a snippet, which amounts to rendering you invisible in the SERPs. The right dosage: 10-20% maximum of a page's HTML content.
How can you verify that data-nosnippet is functioning correctly?
Use the URL Inspection Tool in Google Search Console, then request a live test. Analyze the HTML rendering to confirm that the attribute is present. Then, force a reindexing and monitor the evolution of your snippets in the SERPs over 7-10 days.
You can also use tools like Screaming Frog or Oncrawl to audit the use of data-nosnippet at the site level, identify pages where it is mistakenly applied to strategic content, and correct it before your CTR drops.
- Apply data-nosnippet only to non-strategic blocks (legal mentions, contact details, variable pricing).
- Test the rendering in Search Console after implementation to validate recognition by Googlebot.
- Monitor CTR changes within 15 days after deployment — any sharp drop could signal excessive use.
- Never mark more than 20% of a page's visible content with data-nosnippet.
- Combine with an optimized meta description to maintain control over the message displayed in the SERPs.
- Avoid combining data-nosnippet and lazy-loading on the same content — it’s redundant and can create unpredictable side effects.
❓ Frequently Asked Questions
data-nosnippet impacte-t-il le ranking ou l'indexation d'une page ?
Peut-on appliquer data-nosnippet sur n'importe quelle balise HTML ?
Le lazy-loading JavaScript empêche-t-il vraiment Googlebot de voir le contenu ?
data-nosnippet bloque-t-il les featured snippets et les rich snippets ?
Combien de temps faut-il pour que data-nosnippet soit pris en compte par Google ?
🎥 From the same video 38
Other SEO insights extracted from this same Google Search Central video · duration 56 min · published on 16/10/2020
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