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Official statement

A/B testing is not considered cloaking as long as the page's purpose remains the same. Googlebot must also be included in the test. Modifying colors, layout, or calls to action is acceptable, but completely changing the page's subject is not.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 04/06/2021 ✂ 18 statements
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  9. Pourquoi Google s'appuie-t-il sur les données de terrain pour les Core Web Vitals ?
  10. Faut-il s'inquiéter du délai de 28 jours pour les Core Web Vitals ?
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Official statement from (4 years ago)
TL;DR

Google believes that A/B testing does not constitute cloaking as long as the page's objective remains unchanged. Only minor adjustments like colors or layout are permitted. Googlebot must also be included in these tests.

What you need to understand

What is the significance of this statement about A/B testing?<\/h3>

Google emphasizes that A/B testing is not intended to manipulate the search engine as long as the page's objective remains constant. This means you are free to experiment with aesthetic elements without altering the main content.<\/p>

  • Color and layout changes: Accepted<\/li>
  • Subject change: Not allowed<\/li>
  • Inclusion of Googlebot in the test: Essential<\/li><\/ul>

    Why is it important to include Googlebot in A/B tests?<\/h3>

    Incorporating Googlebot ensures that the test is transparent. This prevents any appearance of cloaking, where only human users would see the modified content. In short, Google must be able to

SEO Expert opinion

Is this statement aligned with current practices?<\/h3>

Google has consistently emphasized the transparency of tests. Including Googlebot is therefore consistent and aligns with the idea that tests should not alter content for search engines. However, this is a notion that some may have overlooked.<\/p>

What are the risks if Googlebot is not included?<\/h3>

Failing to include Googlebot might make the A/B test appear as cloaking. Such a risk could lead to penalties for cloaking, a risk that, let's be honest, isn't worth taking.<\/p>

Be cautious: Don't let a technical omission jeopardize your site's SEO.<\/div>

Practical impact and recommendations

What steps should be taken to remain compliant?<\/h3>

To avoid penalties, ensure that Googlebot participates in the tests. This guarantees that the engine sees exactly what users see, without misleading modifications.<\/p>

  • Include Googlebot in A/B segments.<\/li>
  • Limit changes to aesthetics, not content.<\/li>
  • Always check that the page's objective remains unchanged.<\/li><\/ul>
    A/B testing is powerful, but its correct implementation is delicate. To navigate this complexity without risks, consider seeking help from an SEO agency.<\/div>

❓ Frequently Asked Questions

Les tests A/B peuvent-ils affecter mon SEO ?
Seulement si Googlebot n'est pas inclus ou si vous changez l'objectif de la page.
Qu'est-ce qui est considéré comme cloaking ?
Montrer un contenu différent aux utilisateurs et à Googlebot. Assurez-vous que Googlebot voit les mêmes changements que les utilisateurs.
Est-il possible de changer le sujet principal lors d'un test A/B ?
Non, changer le sujet principal est considéré comme cloaking par Google.

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