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The January 2026 issue of Réacteur is available!

As you know, every month I host 5 authors on our premium platform WriterEach of them shares their expertise on a specific issue related to Search Marketing.

On the agenda for this October edition:

This January 2026, I'm very proud of the lineup for this new edition. I hope you enjoy the topics and articles as much as I did.

Thanks again to our 5 authors for the quality of the published articles and their responsiveness: Pierre Gincheleau (Yousign), Léo Poitevin (Astrak), Daniel Roch (SeoMIX), Carole Laimay and Alexis Rylko (iProspect).

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 !

Behind the scenes of Yousign's GEO strategy: method, tools, and first results

By Pierre Gincheleau, Global Search & Growth Lead atYousign

Discover in this article:

  • A rational assessment to evaluate the true weight of conversational search engines before investing heavily in them
  • A selection and monitoring methodology revealed
  • A four-scenario structural framework to prioritize actions
  • Concrete results and lessons learned

💜 What we liked: Pierre's article goes beyond theory or marketing talk: he shares precise performance data (conversion rate, monthly growth, change in the number of source pages), exposes the limits and flaws of tracking, and provides a directly actionable decision matrix.

👉 Behind the scenes of Yousign's GEO strategy: method, tools, and first results

Link building in the era of generative AI: how to become both the source and the solution for LLMs

By Léo Poitevin, CEO @Astrak

Discover in this article:

  • The transformation of search and the dual objective: to be in the sources captured by AI and to become the recommended solution
  • The actionable proxy to become a source for LLMs
  • The three complementary operational levers to maximize your impact
  • The principle of cumulative effect of positive mentions, where the context and polarity of mentions matter as much as their volume

💜 What we liked: A pragmatic, "no bullshit" approach that's immediately applicable. Léo's article demystifies the subject by showing that existing SEO skills remain valid, with an additional layer to deploy.

👉 Link building in the era of generative AI: how to become both the source and the solution for LLMs

Recovering your SEO after your WordPress site was hacked

By Daniel Roch, SEO consultant @SeoMIX

Discover in this article:

  • The complete methodology to identify a hack, find the origin of the breach, fix it, crawl the hacked site, and restore a previous backup
  • Learn to manage malicious URLs and understand their impact on Google's algorithms
  • The multi-channel post-hack communication to implement
  • A comprehensive arsenal of preventive best practices to anticipate any hacking risk

💜 What we liked: A real how-to guide with a particularly clear sequential action plan. This "field checklist" approach turns an anxiety-inducing topic into an accessible, manageable process.

👉  Recovering your SEO after your WordPress site was hacked

When collective intelligence boosts digital performance: breaking down silos to succeed in projects

By Carole Laimay, UX Strategist & Independent Trainer

Discover in this article:

  • The analysis of the organizational "silo plague" where each expert works in a fragmented way without a global vision, causing loss of responsiveness, incoherent decisions, and massive technical debt.
  • Facilitation as a universal translator to align business needs with user needs.
  • The methodology of the collaborative approach based on three pillars
  • The example of serious play as a strategic lever and performance tool

💜 What we liked: The grounding in concrete, documented cases with their deliverables. Carole demonstrates the real impact of her methods through two detailed case studies in which she explains exactly what was produced.

👉  When collective intelligence boosts digital performance: breaking down silos to succeed in projects

Don't trust your eyes: the invisible traps that skew SEO analysis

By Alexis Rylko, SEO consultant at iProspect

Discover in this article:

  • The revelation that CSS styles often hide elements critical for SEO, illustrated by the Zalando case
  • Cookies and personalization that can mislead analysis
  • The importance of analyzing the mobile version with the correct User-Agent, illustrated by the example of Booking.com
  • Geolocation as an invisible factor that creates divergent experiences for different users

💜 What we liked: A technical topic presented as a genuine investigation, supplemented with numerous examples, tools and a step-by-step protocol for immediate reproducibility.

👉 Don't trust your eyes: the invisible traps that skew SEO analysis

Changes to our subscription plans

From February 1, 2026, we are simplifying our offerings to better support you over time. Rédacteur is refocusing on subscriptions of 6 months, 1 year and 2 years, designed to give you continuous access to the analyses and insights that are our DNA. Our business subscription remains available for teams.

Enjoy the monthly subscription until January 31!

The article "The January 2026 issue of Réacteur is available!" was published on the site Abondance.