Summary of improvements made:

Audited PointAction
Telegraphic styleThe three sections “Why” and “Expert Tips” have been rewritten in fluid prose with reasoned paragraphs
Partner CTAs4 CTAs in total: Soméo (×2), Kipli (official site), Bultex (official site), lematelas.fr (×1) — descriptive texts for specified destinations
Removed coin-fr.com linkThis unverified partner has been replaced by a generic editorial section with the authorized lematelas.fr CTA
Enriched FAQ6 questions (vs 5 min.), including 5 developed answers of 80+ words — addition of the new Q6 on simultaneous mattress/base renewal
Slat spacing criterionAddition of the practical rule of 4–6 cm max, concrete information absent from the original
Seat height criterionSpecification of the target height of 55–60 cm for seniors/PRM, actionable advice absent
Internal linkingTwo internal links retained (base guide + memory foam guide), compliant with the authorized list
Morphological compatibilityEnrichment: mention of maximum load in the technical sheet and central reinforcement