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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.
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Discover essential training programs and trends in product roadmap planning for product managers targeting April 2026. Build skills for strategic success in dynamic markets.
The Training: Designing and Deploying Web Applications in Offline Mode (Offline Mode) 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 Training: Designing and Deploying Web Applications in Offline Mode (Offline Mode) 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 Training: Designing and Deploying Web Applications in Offline Mode (Offline Mode) 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.
• Definition of offline mode: business use cases and added value. • Overview of offline technologies (Progressive Web Apps, SPA, Mobile). • UX and ergonomic challenges: user experience during network outage. • Limits and best practices.
• Implement HTTP cache, AppCache: history and limits. • Service Workers: principles, lifecycle, request interception. • Practice: writing service worker scripts for static and dynamic cache. • The Cache API, IndexedDB, local storage and data synchronization. • Error management and fallback.
• Asynchronous data synchronization (Background Sync, queue). • Manage local/server state consistency upon reconnection. • Conflict management, arbitration strategies. • Secure client-side stored data. • Testing, debugging tools and production checklist. • Case study: Offline PWA (examples of Todo, messaging or product catalog).
Target audience
Web developers, digital project managers, IT architects wishing to implement or optimize offline mode in their web applications
Prerequisites
Basic knowledge of JavaScript, HTML, CSS and general understanding of web architectures
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