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Charlotte S.CS

Charlotte S.

Conversion Expert: Audit & Roadmap CRO/LP/AB Test

€780/day
5 projects
Paris, FR
3-7 years

Average response time: A few days

Freelancer profile translated to English.
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About Charlotte

Beautiful is good. Beautiful and profitable is better.

I'm Charlotte, aCRO expert specializing in acquisition LPs / post-click pages (Unbounce, Replo, Lovable) and A/B tests on Shopify.
I help brands turn their pages into effective acquisition levers.
I'm obsessed with real impact, not aesthetics.

🚀 4 Offers. 1 Goal: Convert.

1- CRO Audit of your website
To identify friction points that are costing you sales.
I analyze your site (UX, copy, analytics) to detect what's blocking your visitors at each stage.
You receive a prioritized, ready-to-implement action plan.
🎯 Ideal before a redesign or to maximize your existing assets.

2- Optimization of your ad landing pages (Google / Meta)
To boost your ROAS without touching your campaigns.
I optimize your landing pages to better convert your visitors into customers.
🎯 Observed results: +15 to +45% conversion rate.

3- Landing Page Creation
For brands that want high-performing pages.
Design, emotional copywriting, technical integration & tracking: I create turnkey LPs, ready to scale your campaigns.
🎯 Recent result: sending traffic to an LP instead of a poorly optimized product page yielded +136% CVR.

4- Creation of an A/B test roadmap for Shopify stores and support for Shoplift and Intelligems A/B tests.
For ambitious e-commerce businesses looking to challenge their results. I analyze, prioritize, support you, or train you!
🎯 One winning test and earn +€3000 within a week.

👩‍💻 My Background

+4 years in CRO agency
+6 years in brand strategy & copywriting
Web Project / Copy / AI Trainer (schools & bootcamps)
Agency & solo references: Naali, La marque en moins, Karacare, SPRiNG, EEC, 900.Care, Les Commis, Inga, La Brigade de Véro,...

📩 Let's work together

Contact me here on Malt or send me your URL — I'll tell you what needs to be fixed to convert more.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Paris (up to 10km)

Experience

  • Start and Brand
    Head of CRO
    September 2025 - Today (11 months)
    Head of CRO at Start & Brand — I manage the conversion strategy for high-growth e-commerce brands: optimizing customer journeys, A/B testing, landing pages, mobile-first UX, copywriting, and coordinating growth, design, and media teams to transform traffic into profitable revenue.
    AB Test CRO Landing Page Performance Improvement KPI Definition and Monitoring
  • Boost Conversion
    Conversion Rate Optimization Manager (CRO)
    E-COMMERCE
    July 2022 - June 2025 (2 years and 11 months)
    My mission: Help companies maximize their traffic performance.
    Specifically, I managed the Landing Page department of the collective as a freelancer.

    My role: client relationship management,strategy definition**, **test roadmap**, **test monitoring and implementation(Unbounce or VWO), analysis ofresults(GA4, and Clarity / Hotjar heatmap), as well as **copywriting**.

    I collaborate with analysts and UX designers on missions.

    In this department, we support brands with conversion-optimized landing page creation, as well as funnel and website redesigns.
    Such as for brands preparing for theirTV appearances on channels like QVEMA.

    Brands supported: Spring, 900Care, GAYA Bike, Maison M, Dietbon, Dijo, Les Commis, INGA, CAPS ME, Vertuoza, Atma, loyoly, Cultiv Cosmetics, little cigogne, CLF formation, Portage Entrepreneurial, Les Franjynes, Deltic, Mokaco, Monjuridique, and many more in progress...
    Landing Page Landing Page Copywriting Website Creation and Redesign UX Writing CRO
  • ESP Ecole Supérieure de Publicité
    Web Project & Digital Marketing Teacher
    September 2022 - June 2025 (2 years and 9 months)
    Paris, France
    I have been teaching the following courses for 3 years:
    - Web Project Management (certified Bachelor of RNCP Level 6 title "E-business Project Manager").
    - Digital Communication (certified Bachelor of RNCP Level 6 title "E-business Project Manager").
    - Social Media (+ AI) Bilingual teaching: French and English.
    Other:
    - Coach and jury member for advertising competitions with 3rd-year students.

Reviews

5.0

Out of 2 ratings

M

Manon

Yassir

Reviewed on 7/15/2025

Charlotte truly transformed our Google Ads campaigns. By completely rethinking our landing pages, she increased our ROAS from 2.1 to 3.8 in less than 6 weeks. Result: with a constant budget, our revenue in this vertical nearly doubled. Professional, responsive, and highly effective, we recommend her without hesitation for any landing page optimization in a Google Ads context!
C

Christian

nosy be 360

Reviewed on 7/4/2025

Mission perfectly executed on time. Charlotte provided a synthesis of my web page with the external perspective I needed, but most importantly in a pragmatic, professional, and effective way... her analysis and quick wins were very useful! A day-long mission, I received the video, an interesting format for correlating the PDF analysis. Thank you.

Recommendations

Sylvain BaillySB
RR
FU
+2
Sylvain Bailly and 4 other people have recommended Charlotte

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Education

  • Master of Business
    ISC Paris Management School
    2014
    Master's degree, E-business, IT
  • BTS, Communication and Media Studies
    ESP
    2010
    BTS, Communication and Media Studies

Skill set

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