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Sébastien Château-DutierSC

Sébastien Château-Dutier

Website Creation | WordPress | WooCommerce | SEO

€490/day
Le Mans, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sébastien

I help entrepreneurs find clients and increase their revenue through the creation of a well-referenced website.

🚨 A poorly optimized site means lost revenue every day! 🚨

Is your website not generating enough leads? Is it invisible on Google? A slow, poorly structured, or unoptimized site can cost you dearly: lost clients, decreased revenue, and missed opportunities.

I createhigh-performing**, **fast**, and **optimizedwebsites for Google.
Each project is designed to maximize your visibility and convert your visitors into customers.

🌟 Why choose me?

High-performing and optimized website
I design modern, fast, and mobile-friendly websites, built to maximize user experience and conversion.

Effective SEO for Google
I implement a natural referencing (SEO) strategy to improve your ranking.

Personalized support
Every project is unique. I guide you from website design to SEO optimization, with training and support for your autonomy.

🚀 My services

🌐 Website Creation
  • Showcase website
  • E-commerce website
  • Booking website
  • Blog
  • Redesign and UX/UI optimization
🔍 Natural Referencing (SEO)
  • SEO Audit
  • Technical and semantic optimization
  • Link building and performance monitoring
  • Performance tracking and analysis
🔧WordPress and WooCommerce Website Maintenance
  • Updates
  • Offsite backups
  • Performance improvements for fast loading
  • Security

📈 Concrete results

✅ Attract more qualified visitors
✅ Improve your Google ranking
✅ Increase your revenue with a conversion-optimized website
✅ Gain notoriety and establish yourself as a leader in your field

📞 Let's discuss your project!

A high-performing and well-referenced website?
Contact me to discuss it and get a personalized quote!
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

Remote only
Primarily works remotely

Experience

  • Connasse Lumineuse
    E-commerce Site Creation
    E-COMMERCE
    October 2025 - Today (8 months)
    Sainte-Adresse, France

    E-commerce Site Creation

    • Webdesign and visual identity based on the logo
    • Creation of pages for WooCommerce
    • GDPR compliance
    • Responsive page optimization
    • Technical optimization
    • Basic SEO optimization
    • Maintenance

    https://connasselumineuse.fr/
    WooCommerce Webdesign E-commerce Site Creation Oxygen Builder SEO
  • Les Savoirs Partagés
    Association Website Creation
    CIVIC AND SOCIAL ORGANIZATIONS
    September 2025 - Today (9 months)
    Guingamp, France
    Association Website Creation

    • Webdesign and visual identity based on the existing logo
    • Event management
    • Newsletter management
    • Technical optimization
    • Basic SEO optimization
    • Maintenance

    https://lessavoirspartages.fr/
    WordPress SEO Matomo Webdesign Newsletters
  • Anaïs Pavoux | Espace 220
    E-commerce Site Creation
    FASHION AND COSMETICS
    June 2025 - Today (1 year)
    Anse, France
    E-commerce Site Creation
    • Creation of pages for WooCommerce
    • GDPR compliance
    • Connection with Planity
    • Responsive page optimization
    • Technical optimization
    • SEO optimization
    • Maintenance

    https://anaispavoux.fr/
    WooCommerce WordPress Elementor SEO Websites Creation

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Education

  • The SEO Method
    Victor Da Silva
    2025
    Approfondissement méthodique pour traiter le SEO à 360°
  • Pareto SEO
    BIX Academy
    2024
    Décoder la logique d'un moteur de recherche tel que Google et appréhender les évolutions du SEO, comprendre et utiliser les concepts du référencement web : mots clés primaires ou secondaires, balises HTML, méta-description, intention de recherche, données structurées, domaine référent… optimiser la visibilité par une série d'interventions visant à améliorer l’expérience utilisateur et les performances d'un site dans les résultats de recherche, réaliser un audit SEO pour chacun des 3 piliers : sémantique, technique et netlinking, mettre en place une stratégie de référencement naturel avec un plan d'action concret.

Certifications

Skill set

Categories