Technologies & Tools · Web Performance Optimization

Expertise

Full-stack, multi-technology expertise

Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails Angular Astro Drupal Laravel Python React Salesforce Commerce Cloud SAP Commerce Cloud Sylius Symfony Akamai mPulse Datadog Dynatrace SpeedCurve Akamai Cloudflare Fastly Magento Prestashop Shopify Wordpress Medusa.js Ruby on Rails

Technologies

Angular

Angular optimized: lazy modules, OnPush change detection, SSR Universal or Analog, signals, zone.js elimination. Stable Core Web Vitals on enterprise SPAs.

Astro

Astro optimized: islands architecture, image optimization, view transitions, content collections. Near-static sites with green Core Web Vitals.

Drupal

Drupal optimized: Render API and cache contexts, Dynamic Page Cache + BigPipe, Views performance, MySQL tuning. Core Web Vitals green on strategic templates.

Laravel

Laravel optimized: Eloquent N+1, opcache + JIT, Octane, Redis cache, async queues, MySQL tuning. Dropped TTFB and green Core Web Vitals.

Python

Python optimized: Django ORM N+1, async views, gunicorn and uvicorn calibrated, caching layers, FastAPI tuning. Dropped TTFB on Python web applications.

React

React optimized: bundle splitting, hydration, React Server Components, Suspense, memoization. Green Core Web Vitals on SPAs and Next.js SSR.

Salesforce Commerce Cloud

SFCC optimized: cartridges audited, ISML cache calibrated, OCAPI or SCAPI properly used, SFRA frontend optimized. Stable Core Web Vitals on enterprise stores.

SAP Commerce Cloud

SAP Commerce optimized: OCC API, response cache calibrated, Solr tuning, JVM heap and GC, Spartacus frontend optimized. Stable Core Web Vitals on enterprise stacks.

Sylius

Sylius optimized: Doctrine N+1 and second-level cache, Symfony HTTP cache + ESI, performant ShopApi or Plus API, optimized frontend. Stable Core Web Vitals.

Symfony

Symfony optimized: Doctrine N+1 and hydration, Twig cache, HTTP cache + ESI, opcache + JIT, profiler in production. Dropped TTFB and green Core Web Vitals.

Medusa.js

Medusa.js optimized: tuned modules, Postgres + Redis caching, async workflows, controlled pricing engine, Next.js ISR storefront. Dropped API TTFB and green Core Web Vitals on the store.

Ruby on Rails

Rails optimized: N+1 ActiveRecord, Russian doll caching, Turbo/Hotwire, YJIT on Ruby 3.3, Puma tuning, Redis cache_store. Dropped TTFB and green Core Web Vitals.

Tools

Akamai mPulse

Akamai mPulse leveraged as a Core Web Vitals steering tool: Real User Monitoring on real traffic, segmented by template, device and geography.

Datadog

Datadog APM used as a backend diagnostic tool to target the optimizations that actually reduce TTFB and improve Core Web Vitals.

Dynatrace

Dynatrace leveraged to map backend dependencies and target the optimizations that reduce TTFB and improve Core Web Vitals.

SpeedCurve

SpeedCurve leveraged to track Core Web Vitals continuously, set performance budgets and discipline frontend performance at every release.

CDNs

Akamai

Akamai configuration optimized for web performance: cache, ImageManager, critical path and EdgeWorkers leveraged in service of Core Web Vitals.

Cloudflare

Cloudflare configuration optimized for web performance: Cache Rules, Workers, Polish, Early Hints and Core Web Vitals tuning.

Fastly

Fastly configuration optimized for web performance: custom VCL, instant purge, Compute@Edge leveraged for stable Core Web Vitals.

CMS

Magento

Magento optimized for web performance: Varnish Full Page Cache, Hyvä migration, ElasticSearch tuning, checkout, opcache and MySQL.

Prestashop

Prestashop optimized: modules audit, Smarty cache and fragments, MySQL tuning, hooks optimization, lean frontend. Core Web Vitals green.

Shopify

Shopify optimized: apps audit with impact measurement, theme rebuild, Liquid optimization, LCP prioritization, third-party scripts controlled. Core Web Vitals green.

WordPress

WordPress audited and optimized: origin TTFB, plugins, theme, full page cache, object cache, CDN, images. Core Web Vitals green, SEO recovered.

Services

Comment je mobilise ces expertises

Offre phare

Web Performance Audit

The diagnosis of milliseconds that cost you (too) much

Complete audit of your site's web performance: identification of bottlenecks, analysis of Core Web Vitals, and prioritized recommendations.

Field and lab Core Web Vitals diagnostic
Front-end, back-end and CDN bottleneck mapping

your-site.com

Overall score

Core Web Vitals

LCP —

INP —

CLS —

Issues detected

Web Performance Optimization

E-commerce store, corporate site, or media: enhance your UX to increase your conversion rate with a web performance consultant integrated into your teams.

Support for optimizing the speed and user experience of your website, e-commerce, or corporate site.

Implementation of the priority levers
Front-end tuning: LCP, INP, code splitting
Back-end & infra tuning: cache, CDN, database

Web Performance Monitoring

Detect regressions before your users do with continuous monitoring of your Core Web Vitals and performance metrics.

Continuous monitoring of web performance: tracking Core Web Vitals, real-time alerts, and regression detection.

24/7 Core Web Vitals monitoring
Slack or email alerts on regression
Custom real-time dashboard

Cas concrets

Ces expertises appliquées sur le terrain

Comment ces technologies se combinent sur des projets clients réels.

CHANEL

2022 → 2026

Web Performance Architect

Audits across all global markets (APAC, EMEA, AMER, CN, JP), embedded in internal technical teams.

SAP Hybris ReactJS Akamai Cloudinary Dynatrace SpeedCurve

Checkout reduced from 12 s to under 2 s
80 % of visits rated as fast on Google CrUX
TBT (Total Blocking Time) reduced by 40 %
TTFB reduced by 20 %

RIMOWA

2024 → present

Web Performance Consultant

Worldwide audits (APAC, EMEA, AMER, JP), performance roadmap, code reviews, delivery follow-up.

SFCC Akamai SpeedCurve

95 % of users with an excellent experience on CrUX
TTFB reduced by 46 %
Perfect CLS across the entire site
Performance budgets defined, technical and business impact tracked

SiriusXM

2025 → present

Web Performance Consultant

Audits on the web platform and marketing sites. Custom reporting through synthetic and real-user monitoring.

React.js Next.js Angular Akamai Datadog SpeedCurve

82 % of users with a good experience on CrUX
Continuous follow-up of the performance roadmap
Optimisations implemented hands-on inside the product codebase

Ready to boost your performance?

Dedicated web performance expert

Immediate availability

8+ years of experience

100% satisfied clients
Data 2023-2026