Freelancer profile translated to English.

Description

I create fast, clean, and SEO-optimized showcase websites for businesses that want a serious website, without bloated WordPress or a complex setup.

I specialize in Astro, React, Tailwind CSS, web performance, and technical SEO.

My goal: to deliver a clear, fast, responsive, well-structured site designed to convert.

I focus on:

Premium showcase website creation

Redesign of WordPress / Divi sites to full-code

Conversion-oriented landing pages

Speed, mobile, and Core Web Vitals optimization

Technical SEO: structure, tags, structured data, sitemap, indexing

Website maintenance, hosting, and evolution

My method is simple: I prioritize concrete results.

When the project allows, I can create a functional mockup quickly, so you can see the result before committing.

No generic themes, no stacked plugins, no slow, unmaintainable sites.

I build a clean, modern, and durable foundation.

Based in Mouriès, in the Alpilles region, I support local, national, and international businesses.

Do you need a faster, more professional, or better-structured website?

Let's discuss your project.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Saint-Rémy-de-Provence (up to 50km)

SL Agency
Full-Stack Web Developer — Astro, React, Technical SEO & Performance
TECH
January 2024 - Today (2 years and 7 months)
Saint-Rémy-de-Provence, France
Founder of SL Agency, I support businesses in creating and redesigning fast, modern, and SEO-optimized showcase websites.

I develop full-code websites with Astro, React, Tailwind CSS, and TypeScript, prioritizing performance, clarity, conversion, and ease of maintenance.

My services include:

Premium showcase website creation
Redesign of WordPress / Divi sites to full-code
Speed, mobile, and Core Web Vitals optimization
Technical SEO: structure, tags, sitemap, structured data
Deployment on Vercel
Website maintenance, hosting, and evolution

Goal: to deliver clean, fast, and professional websites, without plugin bloat or reliance on heavy themes.
Astro Front-End Development Web Performance Technical SEO React.js
Sébastien Lacroix (Auto-entreprise)
Independent Web Developer & IT Consultant
TECH
September 2019 - December 2023 (4 years and 3 months)
Saint-Rémy-de-Provence, France
Self-employed since 2019, I have assisted individuals and businesses with various technical needs: IT consulting, maintenance, technical audits, web creation, site optimization, and digital support.

This experience allowed me to develop a very practical approach: quickly understand the client's needs, identify the real problem, propose a simple solution, and implement it properly.

I have worked on issues related to websites, digital tools, performance, maintenance, migrations, user experience, and technical optimization.

This technical foundation then led me to create SL Agency, with a more specialized approach: designing fast, clean, modern websites tailored to the real needs of businesses.

Goal: to offer reliable, clear, and effective solutions, without unnecessary complexity.
IT Consulting Technical Audit Project Management IT Maintenance WordPress

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Signup to reveal

Expert Full-Stack Web Developer (Self-Taught / R&D)
Independent Learning & Continuous Certification
2019
Web Marketing & Acquisition Strategy
ESECAD / Self-Taught / Certified Training
2019

Sébastien Lacroix

Web Developer Astro, React & SEO

About Sébastien

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