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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
Which format do you prefer?
30 free minutes with a training advisor — no commitment.
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Professional Training training in Dallas in July 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
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Don't let this gap widen
Sans maîtrise Rollup, bundles JS gonflés alourdissent chargements de 50%, causant 32% abandons visiteurs et pertes e-commerce 25k€ annuels moyennes.
Équipes perdent 35% temps dev sur builds lents, multipliant coûts infra cloud x2.
En 2024, 68% recruteurs écartent seniors sans bundlers modernes comme Rollup, creusant écarts salaires 20%.
Chaque trimestre sans optimisation expose entreprise à concurrents 40% plus rapides livraisons performantes.
The Formation Rollup - Optimiser bundles JS pour apps expertes training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Formation Rollup - Optimiser bundles JS pour apps expertes training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Formation Rollup - Optimiser bundles JS pour apps expertes training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Plongez dans la configuration experte de Rollup via rollup.config.js, installez l'environnement Node.js dédié, créez votre premier build multi-formats pour bibliothèques professionnelles, testez exports nommés et tree-shaking basique sur projets réels, analysez tailles bundles avec outils analyzers, produisez livrables optimisés prêts production, exercices pratiques sur cas entreprise pour gains immédiats performance.
Intégrez plugins essentiels comme @rollup/plugin-babel pour transpilation, @rollup/plugin-terser pour minification agressive, configurez chaînes transformations personnalisées, appliquez sur code legacy et moderne, mesurez impacts via benchmarks réels, développez plugin custom simple pour besoins spécifiques entreprise, testez robustesse avec watch mode et hot-reload, générez rapports détaillés bundles, valorisez compétences bundling certifiantes dès fin journée.
Maîtrisez tree-shaking avancé pour éliminer 40% code mort typique, implémentez code splitting avec imports dynamiques pour apps scalables, configurez output chunks parallèles, analysez graphes dépendances via rollup-plugin-visualizer, optimisez pour edge-cases production comme SSR, exercez sur projet fil rouge entreprise, mesurez ROI via Lighthouse audits, produisez bundles 30% plus légers, appliquez techniques certifiantes boostant SEO et UX utilisateur.
Intégrez Rollup dans pipelines CI/CD GitHub Actions ou Jenkins, automatisez builds multi-environnements dev/staging/prod, configurez caching avancé pour accélérer 50% temps compile, monitorez bundles via Sentry ou custom dashboards, déployez sur Vercel/Netlify avec previews, testez e2e performances réelles, finalisez projet fil rouge avec code review formateur, recevez support ressources pour compétences durables entreprise, transformez workflows bundling en atout compétitif immédiat.
Target audience
Développeurs JavaScript seniors, ingénieurs front-end et DevOps pour montée en compétences bundling
Prerequisites
Expertise JavaScript ES6+, Node.js, expérience bundlers comme Webpack ou esbuild
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