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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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Don't let this gap widen
Without advanced Svelte, your apps cap at 4s load times, causing 53% mobile drop-offs (Google Analytics 2023).
Lose 30% conversions to smooth competitors on Next.js or Remix.
Junior devs stagnate, teams lose 20h/week debugging.
Budgets inflate 40% without SSR optimizations.
Clients flee to reactive UIs.
Invest 28h for 60% perf gains, 25% more loyalty, dominate frontend market.
Don't miss this vital skill upgrade.
The Advanced Svelte Training - Ultra-Performant Reactive Apps 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 Advanced Svelte Training - Ultra-Performant Reactive Apps 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 Advanced Svelte Training - Ultra-Performant Reactive Apps 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.
Dive into derived and writable stores, set up contexts for modular apps, complete exercises on real cases like a collaborative dashboard, test reactivity live with collaborative coding, produce a reusable custom store, gain immediate fluidity from the first session.
Install SvelteKit, implement dynamic routing with nested layouts, enable SSR for SEO-friendly pages, integrate secure API endpoints, develop a complete e-commerce project through practical exercises, deploy to Vercel by end of day, master full-stack Svelte in a flash.
Analyze bottlenecks with Svelte profiler, apply lazy loading and prefetching for lightweight apps, code smooth transitions with Svelte Motion, optimize bundles via Rollup, test on concrete cases like a mobile-first app, achieve 50% speed gains, turn your projects into performance benchmarks.
Write unit tests with Vitest and snapshots, set up CI/CD pipeline with GitHub Actions, apply scalable patterns for teams, finalize a capstone project deployed live, review best practices via collective code review, leave with a concrete portfolio and job-ready skills.
Target audience
Senior JavaScript developers, frontend leads, web architects, for advanced Svelte skill enhancement.
Prerequisites
Mastery of JavaScript ES6+, basic Svelte, one reactive framework (React/Vue), advanced HTML/CSS.
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