Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications

$3,465

  • 3 days
  • Onsite
  • 8 people max.
Ref: QQL239
8 people max.
$3,465
In-company rate: from $6,290 for the whole team
On-site and certification exam on quote
3 days
Onsite

Don't let this gap widen

Why this program matters

  • Without mastery of Webpack, your production builds drag on, tripling development time and wasting up to 20 hours per week per developer.

  • Faulty configuration produces bundles that are 40% oversized on average, causing load times over 3 seconds that make 53% of mobile users abandon the site.

  • Each poorly managed bundling incident costs the company an average of 5 000 € in debugging and lost conversions.

  • Are you leaving your projects vulnerable to competitors with ultra-optimized apps, risking career stagnation or compromising your team's competitiveness?

Célian Lebacle, Learni trainer · Web & mobile expert
Célian Lebacle

Learni trainer · Web & mobile expert

73%productivity gap
×3cost of inaction
Flag of the United StatesBuilt for US teams
Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone

Trusted by — schools, companies and industrial groups

40,869 programs · 25 countries

  • Aptar
  • ArcelorMittal
  • Equans
  • EDF
  • Ubisoft
  • Microsoft

Every program built with a dedicated engineer

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  • OVHcloud
  • Notion
  • AMD
  • Apple

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Webpack training objectives

  • Understand the role and functioning of Webpack in a modern development chain
  • Install, configure, and customize Webpack for a project
  • Set up loaders for processing files (JS, CSS, images, etc.)
  • Optimize the build for production (minification, cache, splitting)
  • Use the most common plugins (HtmlWebpackPlugin, MiniCssExtractPlugin, etc.)
  • Manage hot module replacement (HMR) and local development
  • Create and maintain multiple Webpack configurations (multi-entry, environments, etc.)
  • Deploy an optimized project ready for production

Program

Webpack curriculum: 3 modules over 3 days

Module 1 : Introduction to Webpack & First Steps

History and challenges of modern bundlers. Webpack overview. Project initialization: installation, minimal configuration, file structure, first scripts. Demo of ES6+ JavaScript compilation.

Module 2 : Resource Loading, Loaders & Plugins

Loaders explained: JS transformation (Babel), CSS, images, fonts. Dependency graph, module import/export, advanced loader configuration. Essential plugins: automation, dynamic file creation. Local development setup with hot reload.

Module 3 : Production Optimization & Deployment

Bundle optimization: splitting, Tree Shaking, cache busting. Minification, static assets management, environment variables. Multi-target configuration design. Practice: production vs. development configs, automated deployment, best practices.

How Webpack skills are assessed

  • Development of a continuous project with progressive Webpack configuration
  • Quizzes and situational exercises throughout the days
  • Practical exercises corrected in group

How the Webpack course is taught

  • Theoretical courses with live demonstrations
  • Progressive hands-on exercises (initial setup, increasing complexity)
  • Real-world case studies and experience feedback
  • Downloadable course materials

Webpack training: access and practical arrangements

The Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications 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.

Equipment required

For the smooth delivery of the Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program, the following equipment is required:

  • Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
  • Training environments installed on workstations or accessible online
  • Course materials, hands-on exercises and complementary resources
  • Post-training access to materials and educational resources

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.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program is performed through:

  • During training: case studies, hands-on labs and professional scenarios
  • End of training: self-assessment questionnaire and skills evaluation by the trainer
  • After training: completion certificate detailing acquired skills

Program accessibility

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.

Enrollment terms and lead times

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.

The Learni story

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.

Our method

How Learni guarantees the quality of your Webpack training

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.

Step 1

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.
Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

  • Live briefing on goals and team context.
  • Veto right — we swap the trainer for free if needed.
Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

  • Hands-on cases drawn from your stack and projects.
  • Program co-written then validated by your team.
Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

  • NPS, knowledge quizzes and skills self-assessment.
  • Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

A child walking to school with a backpack
Our social commitment

A school kit donated to a child for every training booked

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.

  • Backpack, notebooks and essential supplies
  • Distributed through our partner charities
  • Included, at no extra cost to you
Enroll and offer a kit
FAQ

Webpack: frequently asked questions

What can participants do after Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training?+
They can understand the role and functioning of Webpack in a modern development chain, install, configure, and customize Webpack for a project and set up loaders for processing files (JS, CSS, images, etc.). Those are the stated objectives of the Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program at Intermediate level, checked by the end-of-session assessment.
What does the Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program cover, day by day?+
Day 1: Introduction to Webpack & First Steps. Day 2: Resource Loading, Loaders & Plugins. Day 3: Production Optimization & Deployment. The Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program runs over 3 days, delivered on site.
How is Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training assessed?+
Assessment relies on development of a continuous project with progressive Webpack configuration, quizzes and situational exercises throughout the days and practical exercises corrected in group. Learni issues a completion certificate together with the individual assessment report at the end of the Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications program, which an L&D team can file as evidence.
How much does Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training cost per participant?+
Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training costs $3,465 per participant. For an in-company team, the flat rate starts at $6,290 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training take?+
3 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training?+
Good knowledge of JavaScript, basic web development skills (HTML, CSS, JS), and terminal usage.
Is a certificate issued after Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Training: Master Webpack: The Modern Bundler to Optimize Your Web Applications training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
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