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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 Puppeteer, les équipes perdent 5 fois plus de temps sur le scraping manuel, avec 70% d'échecs sur sites dynamiques protégés.
Les tests E2E non automatisés génèrent 40% d'incidents en prod, coûtant en moyenne 15k€ par bug critique selon Gartner.
En 2026, 82% des data engineers sans outils headless sont écartés des projets scalables.
Chaque trimestre sans compétences avancées expose votre entreprise à des pertes concurrentielles massives et des audits réglementaires ratés.
The Formation Puppeteer - Automatiser scraping et tests web avancés 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 Puppeteer - Automatiser scraping et tests web avancés 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 Puppeteer - Automatiser scraping et tests web avancés 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.
Lancement d'instances Chrome headless avec options avancées, navigation fluide sur sites dynamiques via await page.goto et page.waitForSelector, manipulation précise du DOM avec page.evaluate et page.$x pour extraire données structurées, gestion d'événements clics, saisies et scrolls en contexte réel d'entreprise, exercices pratiques sur un site e-commerce pour scraper produits et prix, production de rapports JSON immédiats avec débogage intégré via Chrome DevTools.
Développement de scrapers parallèles avec page pools pour traiter des milliers de pages sans blocage, implémentation de tests end-to-end robustes couvrant formulaires, authentifications et workflows utilisateurs, génération automatique de PDF et screenshots pour audits professionnels, intégration à Jest ou Playwright pour pipelines CI/CD, cas concrets sur monitoring concurrentiel et validation UX, livrable final un bot complet déployable en production avec monitoring d'erreurs et retry automatique.
Target audience
Développeurs Node.js, ingénieurs QA et data engineers pour une montée en compétences en automatisation
Prerequisites
Maîtrise de Node.js, JavaScript async/await et bases en scraping ou tests automatisés
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