Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Learning objectives
- Master Svelte 5 runes for optimal reactivity
- Build fullstack applications with SvelteKit
- Optimize performance with lazy loading and code splitting
- Implement advanced stores and complex state management
- Deploy scalable apps on Vercel or Netlify
- Integrate end-to-end testing with Vitest and Playwright
The Learni story
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Why this program matters
Without expert mastery of Svelte, your web apps lose up to 50% in loading speed, leading to a 40% higher bounce rate according to Google Analytics.
Competitors using SvelteKit capture 30% more traffic via optimal Core Web Vitals.
Risk of 2x dev cost overrun to refactor obsolete stacks like heavy React.
Talent loss: 25% of senior devs prefer Svelte for its 3x productivity.
Avoid missing SSR downtimes, bloated bundles >2MB, and 60% mobile user churn.
Invest now for scalable apps and quick ROI.
Program
Module 1Advanced Reactivity in Svelte 5: Runes, Signals, Effects
Dive into Svelte 5 runes, manipulate $state, $derived, and $effect for ultra-efficient reactive components, complete practical exercises on dynamic UIs, build an interactive dashboard in pairs, test real-time performance with tools like Chrome DevTools, leave with a functional and optimized deliverable.
Module 2SvelteKit Fullstack: Routing, Layouts, API Routes (SvelteKit, +page, load)
Discover SvelteKit for fullstack apps, configure advanced routing with +page.server and +layout, integrate secure API routes, develop a complete e-commerce project through collaborative workshops, handle errors and preloading, produce a deployable prototype ready for use.
Module 3Expert State Management: Custom Stores, Contexts (Writable, Readable)
Deepen Svelte stores with custom implementations, synchronize complex states across multiple components, integrate Zustand for hybridization, apply to a real-time chat use case, debug with Svelte DevTools, create and export a reusable state management module.
Module 4Performance Optimizations: SSR, Code Splitting, Lazy Loading (Vite, Prerender)
Optimize your Svelte apps for speed, enable SSR and fine-grained hydration, implement dynamic code splitting and lazy components, measure with Lighthouse and Web Vitals, transform a heavy app into a lightweight version through practical challenges, achieve a 40% lighter bundle.
Module 5Testing, Deployment, and CI/CD: Vitest, Playwright, Vercel (GitHub Actions)
Secure your code with Vitest unit tests and Playwright E2E tests, set up a GitHub Actions CI/CD pipeline, deploy on Vercel with automated previews, simulate a production workflow in a team, finalize with a complete performance audit, leave with a live project and expert certificate.
Evaluation method
- Daily interactive quizzes, evaluated practical projects, final exam on real-world case, personalized feedback from the trainer.
Learning method
- Active pedagogy 70% hands-on, workshops in small groups, interactive digital materials, video session replays.
Methods, materials and delivery
The Svelte Expert Training - Develop Ultra-High-Performance Web Apps program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Svelte Expert Training - Develop Ultra-High-Performance Web Apps program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Svelte Expert Training - Develop Ultra-High-Performance Web Apps program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are eligible for corporate training budgets and employer-funded plans.
Verified reviews
What our learners
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
★★★★★
« cool, j'ai appris des trucs »
★★★★★
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
★★★★★
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
★★★★★
« 😊👍 »
★★★★★
« bien 👍 »
★★★★★
« Allan Busi t'es au top, continue comme ça. formation géniale »
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Développement JavaScript
More programs in Développement JavaScript.
Développement JavaScriptIndustry-certifiedAdvanced Electron Training - Develop High-Performance Cross-Platform Desktop Apps
$2,520Net · employer-funded
Développement JavaScriptIndustry-certifiedAdvanced Fastify Training - Ultra-Fast and Scalable APIs
$6,300Net · employer-funded
Développement JavaScriptIndustry-certifiedAdvanced Fastify Training - Ultra-High-Performance and Scalable APIs
$2,520Net · employer-funded
Développement JavaScriptIndustry-certifiedAdvanced Fastify Training - Ultra-High-Performance and Scalable APIs
$5,040Net · employer-funded
Développement JavaScriptIndustry-certifiedAdvanced Mongoose Training - Master Scalable MongoDB APIs
$5,040Net · employer-funded
Développement JavaScriptIndustry-certifiedAdvanced Node.js Training - Develop Scalable APIs
$5,040Net · employer-funded
Développement Web
More programs in Développement Web.
Développement WebIndustry-certifiedAPNs Training - Expert Scaling iOS Push Notifications
$2,640Net · employer-funded
Développement WebIndustry-certifiedASP.NET Core : Maîtriser le Développement Web Moderne
$6,600Net · employer-funded
Développement WebIndustry-certifiedATDD : Maîtriser l’Acceptance Test Driven Development en équipes agiles
$3,960Net · employer-funded
Développement WebIndustry-certifiedAWS IoT Core : Maîtrisez la gestion intelligente des objets connectés
$3,960Net · employer-funded
Développement WebIndustry-certifiedAWS Security Hub : Maîtriser la sécurité cloud avec AWS
$2,640Net · employer-funded
Développement WebIndustry-certifiedAccélérer vos modèles d’Intelligence Artificielle avec OpenVINO : de l’optimisation à la mise en production
$3,960Net · employer-funded
Frameworks & Bibliothèques
More programs in Frameworks & Bibliothèques.
Frameworks & BibliothèquesIndustry-certifiedAdvanced Flask Training - Develop Scalable and Secure APIs
$5,040Net · employer-funded
Frameworks & BibliothèquesIndustry-certifiedAdvanced Laravel Training - Build Scalable and Secure Apps
$3,780Net · employer-funded
Frameworks & BibliothèquesIndustry-certifiedAngular Expert Training - Scalable Architectures & Performance
$3,780Net · employer-funded
Frameworks & BibliothèquesIndustry-certifiedApprendre Svelte : Créer des Applications Web Modernes et Performantes
$2,640Net · employer-funded
Frameworks & BibliothèquesIndustry-certifiedApprendre à développer des APIs REST avec NancyFX : de l’installation à la mise en production
$3,960Net · employer-funded
Frameworks & BibliothèquesIndustry-certifiedApprendre à maîtriser AutoMapper en C# : de l’initiation à la pratique avancée
$2,640Net · employer-funded
Design Graphique
More programs in Design Graphique.
Design GraphiqueIndustry-certifiedAdvanced DigitalOcean Training - Deploy Scalable Infrastructures
$3,780Net · employer-funded
Design GraphiqueIndustry-certifiedAdvanced Expo Training - Maximize ROI on Professional Trade Shows
$2,520Net · employer-funded
Design GraphiqueIndustry-certifiedAdvanced Mastery of Plotters for Large Format Printing: From Installation to Optimization
$3,960Net · employer-funded
Design GraphiqueIndustry-certifiedAdvanced PCI-DSS Training - Ensure Total Payment Security Compliance
$6,300Net · employer-funded
Design GraphiqueIndustry-certifiedAdvanced PCI-DSS Training - Master Expert Compliance
$6,300Net · employer-funded
Design GraphiqueIndustry-certifiedArticle 5 RGPD : Maîtriser les Principes Fondamentaux de la Protection des Données Personnelles
$1,320Net · employer-funded
GO DEEPER
Blog articles on this topic.
Our weekly insights on the topic, by Learni experts.
Your professional training, anywhere
Let's build
your next
program.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.
Reply within 24 h · Industry-certified · Corporate funding