The May 2026 edition of Réacteur is online!

On the program for this edition Reactor from May 2026:

Thanks again to our 5 authors for the quality of the articles published and their responsiveness: Killian, Benoît, Kévin, Didier and Benjamin.

As a bonus : we share with you the best of our May 2026 eve and an overview of the tools that caught the team's attention.

👉 Access the full edition 🔒

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Why do you continue to produce content… for nothing [Partie 1]

By Killian Le MoalLead GEO-SEO Strategist & Innovation @ Peak Ace agency

To discover in this article:

• LLMs don't read your pages, they cut them up. This fundamental difference calls into question the entire logic of current content production.
• The position on the page is decisive : numerical data reveals exactly where your chances of being cited by the AI ​​play out.
• There is a measurable DNA of the quotable chunk. Sentence length, entity density, level of readability: everything can be quantified.
• ChatGPT and Google AI Mode do not have the same criteria. Two generative engines, two strategies to adopt according to your objectives.

💜 What we liked:

An exciting approach: concrete results, figures from real studies, and a field methodology tested on brands. No hollow theory, but precise thresholds and actionable tools. An uncompromising article, which will make more than one think!

👉 Why do you continue to produce content… for nothing [Partie 1]

Building a scalable and SEO-friendly site on Webflow

By Benoit Eveillardco-founder of Justa

To discover in this article:

• Webflow easily compares with WordPress in SEO. Two real customer cases, with precise figures, contradict the community's preconceived ideas.
• Natively integrated technical SEO. Semantic HTML, Core Web Vitals, hreflang, schema.org generated by AI… without plugin, without server configuration.
• Programmatic SEO at scale is possible. Thousands of pages automatically generated via CMS, API and n8n, with well-thought-out anti-duplicate logic.
• Limits exist, but can be circumvented. Cloudflare Workers, Webflow API, tailor-made architecture: concrete solutions for each identified constraint.

💜 What we liked:

Field feedback without filter: real figures, code included, limits assumed. Benoît does not oversell Webflow, he explains it honestly and clearly highlights the advantages of this competing solution from one point of view. SEO The Ornikar and Sogexia cases on which the author relies bring concreteness to each argument.

👉 Building a scalable and SEO-friendly site on Webflow

Buying a business online: what 600 deals really taught us

By Kevin JourdanFounder of Dotmarket

To discover in this article:

• Buying an existing digital business is a serious alternative to creating : an active market, accessible from a few thousand euros, and still largely ignored by digital profiles.
• Classic due diligence is not enough. Financials don't reveal what really drives revenue, and some simple questions are worth 40 data room pages.
• The successful profile has a clear thesis and the reply. Not the most experienced, but the one who buys what suits his strengths, not what shines.
• The first months post-acquisition are decisive… and often sabotaged. Acting too quickly, poorly managing the seller relationship or underestimating the operational burden is costly.

💜 What we liked:

True, unvarnished stories. The retired couple, the lighting store sold urgently, the buyer who makes x6. We are far from purely theoretical content, each point addressed by Kévin is fully anchored in reality. An article that makes you want to take action.

👉 Buying a business online: what 600 deals really taught us

Feedback: AI applied to hydraulic engineering

By Didier SampaoloFounder of LVLUP

To discover in this article:

• Rigid specifications are often the enemy of the project. The agile method applied to the digital transformation of an SME changes everything, provided you dare to throw away the initial document.
• AI doesn't stick everywhere. Two precise, measurable use cases, integrated into a real flow: this is what creates value, not gimmicky PoCs.
• Automating an isolated task is not enough. It is the complete flow that must be rethought, from the field to the final file, otherwise we are just accelerating a shaky chain.
• True transformation is built brick by brick. 20 months, a controlled monthly budget, and the equivalent of freed up full time: the digital big bang is a myth.

💜 What we liked:

A technical article without being airtight, honest about the pitfalls, with concrete examples (RAG on the BRGM lexicon, video/depth synchronization). We feel that behind this feedback from Didier, there is a particularly valuable experience!

👉 Feedback: AI applied to hydraulic engineering

Behind the scenes of an e-commerce SME that wired AI into 100% of its SEM operations

By Benjamin HamonFounder of SkyLantern

To discover in this article:

• AI is not tested on an isolated case, it is wired across the entire company. An SME of 5 people covering 8 markets and thousands of SKUs had no other choice.
• The real lever is not the AI ​​model chosen, it is the harness that frames it. Instructions, memory, connectors, guardrails: the invisible architecture that does it all.
• Organizational memory is the competitive advantage no one can copy. Each decision encoded, each error learned widens a cumulative gap with competitors.
• The human remains the final validator, and it is he who becomes the bottleneck. Paradox of an overly efficient system, and how to respond to it with progressive levels of autonomy.

💜 What we liked:

Concrete, documented, and honest about errors. Benjamin is not selling a dream with AI sauce: he is exposing real architecture, with its scars. The electricity/wiring/appliances metaphor makes everything remarkably readable, even for non-technical people.

👉 Behind the scenes of an e-commerce SME that wired AI into 100% of its SEM operations

Like every month, this new edition of Reacteur is accompanied by a section dedicated to latest tools to test And the articles that caught our attention on the web !