Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training Responsive Design 2026 - Optimize Multi-Screen Interfaces training are: Advanced proficiency in CSS Grid/Flexbox, JavaScript ES6+, build tools (Webpack/Vite), and mobile-first principles. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training Responsive Design 2026 - Optimize Multi-Screen Interfaces training is available in online. The format can be adapted to your needs (inter, intra, custom).

Training Responsive Design 2026 - Optimize Multi... | Learni

The story of Learni

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.

Configure your training

Response within 24hNo commitment100% free

8 spots remaining for the next session

FormatParticipantsDateDetails

Which format do you prefer?

Methods, approaches, and teaching resources

The Training Responsive Design 2026 - Optimize Multi-Screen Interfaces 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.

Teaching resources provided

To ensure the quality of the Training Responsive Design 2026 - Optimize Multi-Screen Interfaces training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and 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.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training Responsive Design 2026 - Optimize Multi-Screen Interfaces training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

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.

Training objectives

Master CSS containers and advanced queries for adaptive professional websites

Develop ultra-performant multi-screen interfaces in a corporate environment

Implement Responsive Design 2026 techniques with modern tools

Optimize responsive performance to reduce bounce rates

Design fluid, certified layouts for all devices

Deploy scalable responsive solutions in production

Training program

Module 1Responsive Design 2026 Fundamentals: CSS Containers and Advanced Queries (tools, audits, prototypes)

Dive into modern CSS containers and container-aware media queries to create fluid layouts. Install Vite or Parcel for a fast development environment. Conduct audits of existing sites using Lighthouse and Responsive Design Checker. Build a multi-screen prototype based on a concrete e-commerce case. Test on mobile and tablet emulators. Produce an optimization report with precise metrics. Enhance your professional skills from the very first session.

Module 2Responsive Design 2026 Performance: Lazy Loading and Fluid Animations (Core Web Vitals, DevTools)

Optimize Core Web Vitals across all screens using native lazy loading and Intersection Observer. Integrate fluid CSS animations with @property and scroll-driven animations. Analyze bottlenecks using Chrome DevTools and WebPageTest. Apply techniques to an ongoing corporate project. Measure improvements in LCP and CLS before and after. Deploy polyfills for legacy browsers. Depart with personalized monitoring dashboards for expert production maintenance.

Module 3Advanced Responsive Design 2026 Layouts: Subgrid and Adaptive Logic (real-case exercises, frameworks)

Master CSS Subgrid and adaptive logic for complex multi-screen grids. Integrate Tailwind CSS or CSS-in-JS to scale within teams. Develop modular components for a responsive admin dashboard. Test with BrowserStack across 50+ real devices. Incorporate dynamic breakpoints based on viewport units. Collaborate live on Git to simulate enterprise workflows. Generate Qualiopi certification-ready deliverables with expert code review.

Module 4Responsive Design 2026 Deployment: PWA and Production Monitoring (Vercel/Netlify, analytics)

Transform your project into a responsive PWA using service workers and adaptive manifests. Deploy on Vercel or Netlify with automated CI/CD. Configure Google Analytics and Hotjar to track multi-screen UX. Simulate high-load scenarios with Artillery. Optimize for 5G and foldable devices. Finalize a responsive governance plan for the organization. Obtain a validated skills certificate through quiz and project defense.