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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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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Sans maîtrise de Lottie, vos animations GIF pèsent jusqu'à 10 Mo, ralentissant sites de 3 secondes en moyenne, causant 53% de rebond utilisateur selon Google.
Développez avec SVG lourds empire les mobiles, multipliant coûts hébergement par 2.
Perdez 40% d'engagement sans fluidité native, concurrents avec Lottie captent 25% leads en plus via micro-interactions pros.
Équipes bloquées sur exports foireux gaspillent 15h/semaine en debug, frustrant clients et devs.
Investissez 21h pour éviter ces pièges, boostez perf à 60 FPS partout, gagnez temps et conversions dès demain.
The Formation Lottie - Animez sites et apps en JSON léger 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 Lottie - Animez sites et apps en JSON léger 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 Lottie - Animez sites et apps en JSON léger 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.
Installez Bodymovin dans After Effects, créez votre première animation vectorielle simple, exportez en JSON Lottie léger, testez en preview web avec lottie-player, manipulez propriétés de base comme opacité et positions, réalisez un exercice concret sur une icône animée, obtenez votre premier livrable prêt à intégrer, tout en comparant poids et fluidité à un GIF classique pour visualisez les gains immédiats.
Plongez dans l'édition de fichiers JSON avec LottieFiles Editor, modifiez timelines, layers et masques en direct, ajoutez effets de particules et morphing, pratiquez sur cas réels comme un loader ou bouton animé, testez compatibilité cross-browser, générez variantes responsive, collaborez via partage LottieFiles, produisez deux animations personnalisées avec feedback coach pour booster votre créativité et maîtrise technique.
Intégrez Lottie via CDN dans HTML/CSS/JS ou React, codez interactions hover et scroll avec dotLottie, optimisez pour mobile via Lottie Android/iOS, mesurez FPS et taille fichiers avant/après, déployez un projet complet site vitrine animé, analysez performances avec Lighthouse, finalisez portfolio personnel avec 3 livrables pros, repartez confiant pour animer tous vos projets sans alourdir le code.
Target audience
Développeurs front-end, designers UI/UX, graphistes pour une montée en compétences en animations fluides et légères.
Prerequisites
Notions de base en After Effects ou Illustrator, environnement web simple (HTML/CSS).
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