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Abdelmonem Lefi
E-Commerce SEO Consultant
& PrestaShop Specialist

I help e-commerce merchants identify and resolve technical bottlenecks that restrict their organic visibility on Google. My approach combines in-depth technical SEO audits, hands-on code corrections, content optimization, and performance tracking via Google Search Console.

Founder of GENISOFT and creator of Fexa AI for PrestaShop.

Find Me On:
Audit & Code
Direct implementation in PrestaShop core & custom modules
PrestaShop 8+ & 1.7
Architecture, Core Web Vitals & database optimization
GSC Tracking
Organic indexation, 301 migrations & performance analytics
Schema.org
Structured data compliant with Google Search guidelines

Technical SEO & E-Commerce Case Studies

Every project undergoes a rigorous diagnostic, targeted code implementation, and objective result measurement without extrapolation.

Indexing & Architecture

Resolving Crawl & De-indexing on PrestaShop 1.7

Platform: PrestaShop 1.7 Sector: Furniture & Decor Scope: Crawl audit, 301 redirect map & XML sitemaps
🔍 Problem & Diagnostic

Substantial catalog de-indexing following category restructuring, circular 301 loops, canonical conflicts, and faceted navigation bloat.

⚙️ Personal Role & Intervention

Redirect cleanup eliminating circular chains, canonical consolidation, faceted filter management (targeted noindex + robots.txt rules), and segmented XML sitemaps.

📈 Verified Result

Progressive resolution of critical crawl errors in Google Search Console and steady restoration of Googlebot crawl frequency.

Technical SEO & Speed

Mobile Speed & Core Web Vitals on PrestaShop 8

Platform: PrestaShop 8.1 Sector: Fashion (France) Scope: Performance audit, template optimization & caching
🔍 Problem & Diagnostic

Excessive mobile load times (> 4.5s lab metric), degraded Largest Contentful Paint (LCP), and Core Web Vitals warnings in Google Search Console.

⚙️ Personal Role & Intervention

Child theme optimization, deferred non-critical JavaScript execution, WebP pipeline setup, and opcode cache tuning.

📈 Verified Result

Significant reduction in visual template rendering time and substantial improvement in synthetic lab performance benchmarks.

E-Commerce Security

Emergency Store Decontamination & Hardening

Platform: PrestaShop 1.7 / cPanel Sector: B2B Distribution Scope: Emergency response & vulnerability hardening
🔍 Problem & Diagnostic

Store compromised over a weekend via malicious script injections targeting checkout and payment components, leading to hosting suspension.

⚙️ Personal Role & Intervention

Malicious script isolation and deletion, CMS & database integrity cleansing, secret cookie key and credential regeneration, and server WAF rules.

📈 Verified Result

Store fully sanitized and restored to production in approximately 2 hours; hosting suspension lifted.

Explore All Detailed Case Studies in Portfolio

Core Engineering Pillars & Technical Services

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Technical E-Commerce SEO →

Comprehensive structural audit of your online store: crawl budget optimization, canonical tag consolidation, faceted navigation management, and Schema.org structured data deployment aligned with Google merchant documentation.

Discover My SEO Methodology
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PrestaShop Core & Engineering →

Specializing in PrestaShop core architecture (versions 1.7 and 8+). Developing and debugging custom modules, database query optimization, child theme customization without modifying core files, and checkout funnel optimization.

Page Load Speed Optimized
Discuss a PrestaShop Project
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Web Security & Incident Response →

In-depth security audit across code and server stacks (cPanel, WHM, dedicated servers). Malware disinfection, checkout form hardening, vulnerable module isolation, and application firewall deployment.

Server Hardening & Application Firewall
Request Code & Security Audit
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AI Integration & WebMCP Tools →

Designing semantic assistant tooling and preparing e-commerce stores for emerging agentic web standards (WebMCP standard, structured data for AI answer engines, and on-device optimization with Gemini Nano).

Schema.org Structured Data & Web Protocols
Explore Fexa AI for PrestaShop

My E-Commerce SEO Methodology

A structured, predictable, and transparent technical workflow based on real data and eliminating indexing bottlenecks.

01

Understand the Business

Review site history, business model, priority commercial categories, hosting architecture, and tangible commercial goals.

Deliverable: Project Scope Document
02

Analyze & Diagnose

Audit Google Search Console data, inspect server logs, review PrestaShop template code, and pinpoint technical indexing blockers.

Deliverable: Technical Audit Report
03

Prioritize Actions

Rank fixes based on expected crawl impact, implementation complexity, and technical risk control.

Deliverable: Ordered Action Plan
04

Implement Directly

Direct code execution: module optimization, canonical rules, faceted navigation control, Core Web Vitals, and structured data.

Deliverable: Deployed & Validated Code
05

Verify & Track

Monitor Googlebot crawl uptake in GSC, perform regression testing, and track agreed-upon technical metrics.

Deliverable: Progress & Tracking Report
Professional Ethics Commitment: In accordance with Google Search Essentials guidelines, I make no arbitrary promises of #1 rankings or fixed indexing timelines. My commitment is founded on a rigorous methodology, demonstrable code-level problem resolution, and transparent metric tracking.

Fexa AI — Dedicated PrestaShop SEO Assistant

A semantic and technical optimization solution designed and engineered by Abdelmonem Lefi to address the specific challenges of e-commerce catalogs.

Primary Product: PrestaShop

Fexa AI for PrestaShop

Engineered from extensive hands-on experience across dozens of PrestaShop stores. Fexa AI resolves recurring structural issues that hinder organic merchant visibility:

  • ✓ Metadata Generation & Optimization: SEO titles and meta descriptions tailored to character limits while preventing duplicate content across product combinations.
  • ✓ Structured Data Implementation: Generates Schema.org JSON-LD (Product, BreadcrumbList) schemas aligned with Google merchant documentation.
  • ✓ Human Editorial Review: Every recommendation can be reviewed, edited, and approved before application. This editorial oversight allows merchants to detect and correct any potential errors.
Distinct Product

Fexa AI for Shopify

A separate product tailored specifically to the Shopify ecosystem and its proprietary data schema.

Background & Software Engineering

My optimization methodology is grounded in a firm conviction: technical e-commerce SEO is a matter of disciplined software engineering, not speculative tricks. Holding a Master's degree in Information Systems Engineering (University of Poitiers) and a Master of Science in Management (University of Manchester), I approach online store performance through the dual perspective of source code architecture and business profitability.

Specialized in PrestaShop core architecture and internals, I intervene directly within controllers, Smarty/Twig templates, SQL queries, custom modules, and server-level hosting configurations. In strict alignment with Core Web Vitals criteria and Google Chrome Baseline standards, I build resilient, long-term solutions to clean up indexation, accelerate rendering, and secure transactional flows.

Through my structure GENISOFT, referenced as an official France Num Activator, I support merchants and digital agencies with a transparent, fully documented methodology at every milestone.

🇫🇷 France Num Activator
✔️ Opquast® Web Quality Master
🔍 Google Ads & Shopping Certified
⚡ Creator of Fexa AI
Abdelmonem Lefi

SEO Metadata Simulator & Indicative Snippet Preview

Format your title and meta description against standard editorial references (~60 characters for title, ~160 for description). The preview below is indicative: search engines may rewrite titles and snippets based on query intent. Content density is displayed as a descriptive frequency metric without universal ranking guarantees.

Indicative Search Snippet Preview
🌐 https://lefi-abdelmonem.com/en/
PrestaShop & Technical SEO Consultant - Lefi Abdelmonem
E-commerce SEO consultant and PrestaShop specialist. Technical audits, Core Web Vitals optimization, and structured data.

* Indicative preview. Search engines frequently adjust or replace titles and snippets to better match search query context.

Title Length (0 chars)
Editorial guideline: ~60 chars Ref: ~60
Meta Description Length (0 chars)
Editorial guideline: ~160 chars Ref: ~160

Term Frequency (Descriptive Statistic)

Calculates the occurrence rate of the search term within the sample. Search engines evaluate overall relevance without universal percentage thresholds.

0%

Professional Experience & Qualifications

Lecturer / Trainer in Digital Transformation & E-Commerce

ECORIS Grenoble
Since 2023

Delivering professional courses: e-commerce technical architecture, web project management, organic acquisition strategies, and digital tool integration.

Senior Webmaster & Server Architect

PrestaShop Environments
Architect

Engineered, secured, and scaled enterprise-level servers hosting massive PrestaShop stores. Handled cloud infrastructure deployment, database structuring, and rigorous backend hardening using WHM systems.

E-commerce Manager

Abcommerces - France
Manager

Directed operational and technical management of multiple commercial websites. Implemented key acquisition strategies, conversion rate optimization (CRO) routines, and secure hosting plans.

Digital Project Manager

E-Com Diffusion
Manager

Spearheaded complex e-commerce integrations with a core focus on structural SEO audits and custom PrestaShop modifications, achieving major increases in web page ranks and online visibility.

Webmaster Specialist

PliM
Specialist

Led full development cycles, implemented high-yielding SEO protocols, and structured paid/organic acquisition channels to optimize digital commerce operations.

MSc in Management

Manchester University
Degree

Advanced master's study specializing in business leadership, strategic decision-making, operational scale, and structural company growth.

Master's in Information Systems (GSI)

University of Poitiers (France)
Degree

Comprehensive studies in database management, large-scale systems architecture, software engineering, and web development technologies.

Master's in Electronic Systems

Low-level Security
Degree

Focused on low-level assembly programming, microcontroller operations, embedded software design, and firmware threat analysis / hardware security.

SEO & PrestaShop Analyses

My analyses of Google updates and their practical consequences for PrestaShop stores (articles written in French).

Google Think & PrestaShop AI Search
PrestaShop Sep 4, 2026

Google Think sous la Loupe : Pourquoi le « Simple Bon SEO » ne Suffira Pas pour Votre PrestaShop

Analyse critique de la publication Think with Google de septembre 2026 : pourquoi le Shopping Graph, les flux enrichis et l'E-E-A-T priment désormais sur le SEO traditionnel.

SEO Aug 22, 2026

Google Spam Update Août 2026 & Bug GSC : Autopsie et Stratégie E-Commerce

Analyse de la mise à jour Google Spam Update d'août 2026 et du bug de télémétrie GSC : pourquoi les catalogues synthétiques et fiches dupliquées ont été déclassés.

PrestaShop Jul 23, 2026

PrestaShop WebAssembly (WASM) : Indexation Client-Side Ultra-Rapide & SEO

Compiler du code WebAssembly dans le frontend PrestaShop pour filtrer des catalogues volumineux en sub-milliseconde sans impacter les Core Web Vitals.

Frequently Asked Questions

The questions e-commerce merchants ask me most often before starting a project.

Who is Abdelmonem Lefi?

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I am an e-commerce SEO consultant and PrestaShop specialist, founder of GENISOFT. I work on technical SEO, performance, and security for online stores, for merchants in France (Grenoble, Paris, Lyon) and internationally.

Why hire a PrestaShop expert?

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Hiring a PrestaShop expert allows you to design custom modules, optimize loading performance for better mobile Core Web Vitals scores, secure your online store against threats, and maximize conversion rates.

What is SXO optimization?

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SXO (Search eXperience Optimization) combines natural SEO with user experience (UX) optimization. Its goal is not only to rank pages in search engines like Google, but also to ensure smooth navigation that converts visitors into customers.

What maintenance services do you offer?

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My maintenance plans include regular security updates to the PrestaShop core, module and theme updates, daily or weekly externalized backups, and responsive technical support for bug fixes and incident resolution.

How to optimize a website for voice search?

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For voice search, it is essential to use natural and conversational language, integrate structured Q&A (FAQ), implement Schema.org microdata (JSON-LD), and have an extremely fast mobile site, since the majority of voice queries are made on mobile devices or voice assistants.

Let's talk about everything!

Have a PrestaShop issue, need an SEO optimization blueprint, or want to audit your server security? Get in touch and let's construct a tailored solution.

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Location

Grenoble - Paris - Dublin - London

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LinkedIn

abdelmonemlefi

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Upwork

Abdelmonem L.

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Codeur

genisoft-web

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Fiverr

genisoft0528

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GitHub

lefi0528

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