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The December 2025 edition of Réacteur is available!

As you know, I host five authors on our premium media every month WriterEach one shares their expertise on a specific issue related to Search Marketing.

In this October edition:

Once again this month, I'm very proud of the lineup for this new edition. I hope you'll enjoy the topics and articles as much as I did.

Thanks again to our five authors for the quality of the published articles and their responsiveness: Arthur Ferrando (Shopify SEO Expert), Nicolas Audemar (SISTRIX), Elie Sloïm (Opquast), Aristide Riou (Might & Metrics) and Thomas Cubel (SEO Consultant)

As a bonus I share with you the best of my December monitoring and an overview of the tools that caught my attention.

👉 Access the full edition 🔒

And, if you haven't already, subscribe !

Shopify SEO: 6 underestimated aspects that make the difference

By Arthur Ferrando, Shopify SEO Expert

Discover in this article:

  • Identification of products "Linked In Pagination" that receive links invisible to Google.
  • An intelligent pagination approach to reduce the "noise".
  • How to stabilize URLs and manage canonicals to avoid authority dilution.
  • Consolidating Product tags to prevent duplicates.

💜 What we liked: The article explains concretely how to retain the URL, preserve the SEO already gained, and capture demand via stock alerts or alternatives.

👉 Read the article "Shopify SEO: 6 underestimated aspects that make the difference"

SEO or GEO… The new battle: being cited, not (just) clicked

By Nicolas Audemar, SEO Consultant at SISTRIX

Discover in this article:

  • CSR (Citation Share Rate), the new key metric that replaces CTR.
  • The invisible anatomy of the "AI decision" with semantic re-ranking and Query Fan-Out.
  • Factors that boost brand visibility in AI responses.
  • Risks related to YMYL topics and prompt injection.

💜 What we liked: The section on "GEO-Hacks" is accompanied by concrete, quantified examples, providing tactics that are immediately actionable.

👉 Read the article "SEO or GEO… The new battle: To be cited, not (only) clicked"

Digital norms, standards and requirements: constraints or opportunities

By Elie Sloïm, Founder and CEO Opquast

Discover in this article:

  • The GDPR coming into force, a true wake-up call for the industry, already the source of numerous fines.
  • The "rediscovery" of accessibility, a 30-year-old topic that largely converges with SEO recommendations.
  • Emerging risks in cybersecurity and the environmental impact of digital technology.
  • The limits of siloed management, an approach still favored by many digital players.

💜 What we liked: An article grounded in reality that does more than list constraints; it also turns the situation into tangible commercial opportunities for businesses.

👉 Read the article "Standards, norms and digital requirements: constraints or opportunities"

BigQuery – The 10 queries to recover your GA4 reports lost on the internet

By Aristide Riou, Web Analytics Consultant at Power and Metrics

Discover in this article:

  • The harsh reality of the GA4 interface and the possibilities offered by BigQuery.
  • Demystifying UNNEST syntax and simplified traffic sources.
  • Use cases blocked in GA4 but accessible in BigQuery.
  • The technique to estimate consent rates via UTM.

💜 What we liked: The utterly candid, cathartic tone of the article spares no one (not even GA4) and turns a relatively dry topic into an entertaining read, while also providing concrete, immediately actionable solutions.

👉 Read the article "BigQuery – The 10 queries to recover your GA4 reports lost on the internet"

7 critical mistakes to avoid when creating SEO content with AI

By Thomas Cubel, SEO Consultant & Trainer

Discover in this article:

  • The most widespread mistake in creating SEO content with AI and its consequences for the brand and its search ranking.
  • The benefit of using YouTextGuru in the context of AI-assisted content writing.
  • The most frequently encountered blind spots and the importance of cross-validation.
  • How to intelligently use savings from lower article prices to improve content quality.

💜 What we liked: A pragmatic approach that relies on field audits and clear examples rather than abstract theories.

👉 Read the article "7 critical mistakes to avoid when creating SEO content with AI"

The article "The December 2025 edition of Réacteur is available!" was published on the site Abondance.