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.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without mastery of A/B testing, 75% of websites lose up to 30% of potential conversions according to Google Analytics studies.
Companies suffer average annual losses of 150 000€ HT due to a lack of data-driven optimization, directly impacting competitiveness and growth.
Professionals risk rapid obsolescence against agile competitors, with stagnant careers and missed promotions.
Invest now in our certified skills to turn these risks into concrete opportunities for exponential ROI.
Discover the basics of A/B testing during this first immersive day, exploring scientific principles, clear hypothesis formulation, and relevant audience segmentation. Practice with Selenium to configure your first simple tests on real web pages, analyze key metrics like click-through rate, and produce an initial report of concrete results, while integrating business cases for immediate application.
Dive into the design of optimized A/B variants, using Cypress and Playwright to automate dynamic deployments on simulated e-commerce sites. Perform hands-on exercises to create alternative CTA buttons, test user flows, measure real engagements, and generate interactive heatmaps, with a focus on agile team integration for production-ready deliverables.
Master advanced A/B testing automation with Jest and JUnit, validating traffic splitting scripts on multiple environments. Apply to concrete business cases like landing page optimization, run multivariate tests, analyze statistical biases, and produce customized dashboards for executive reporting, strengthening your certified DevOps testing skills.
Conclude with in-depth analysis of collected A/B data, using Selenium, Cypress, and Jest to refine winners and scale gains. Work on a real company capstone project, interpret advanced KPIs like ROAS, develop a continuous optimization roadmap, and receive a certifying attestation with a portfolio of immediately deployable automated tests.
The Training A/B Testing - Optimize Web Conversions program is delivered onsite or remote (blended-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.
For the smooth delivery of the Training A/B Testing - Optimize Web Conversions program, the following equipment is required:
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.
Assessment of skills acquired during the Training A/B Testing - Optimize Web Conversions program is performed through:
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.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
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.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Web analytics & measurementIndustry-certified
Web analytics & measurementIndustry-certified
Web analytics & measurementIndustry-certified
Web analytics & measurementIndustry-certified
Web analytics & measurementIndustry-certified
Web analytics & measurementIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
Automated testingIndustry-certified
JavaScript & TypeScriptIndustry-certified
JavaScript & TypeScriptIndustry-certified
JavaScript & TypeScriptIndustry-certified
JavaScript & TypeScriptIndustry-certified
JavaScript & TypeScriptIndustry-certified
JavaScript & TypeScriptIndustry-certified
Java & JVM ecosystemIndustry-certified
Java & JVM ecosystemIndustry-certified
Java & JVM ecosystemIndustry-certified
Java & JVM ecosystemIndustry-certified
Java & JVM ecosystemIndustry-certified
Java & JVM ecosystemIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.