Internationalisation for Web Apps

Free Intermediate course · 10 lessons · 3 weeks · Certificate on completion

Prepare apps for multiple languages, scripts, currencies and right-to-left layouts. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.

What you'll learn

• i18n vs l10n
• Extracting strings
• ICU message format
• Plurals and gender
• Dates, numbers and currencies
• Right-to-left layouts

Skills you'll pick up

• i18n vs l10n
• Extracting strings
• ICU message format
• Plurals and gender
• Dates, numbers and currencies
• Right-to-left layouts

Tools covered

• Internationalisation
• Real-world projects
• Quizzes
• Final exam

Course modules

Module 1: i18n vs l10n

Module 1 of Internationalisation for Web Apps. 3 lessons · 3h

Module 2: Plurals and gender

Module 2 of Internationalisation for Web Apps. 3 lessons · 3h

Module 3: Locale routing

Module 3 of Internationalisation for Web Apps. 2 lessons · 2h

Module 4: SEO for multilingual sites

Module 4 of Internationalisation for Web Apps. 2 lessons · 2h

Lessons in this course

• i18n vs l10n
• Extracting strings
• ICU message format
• Plurals and gender
• Dates, numbers and currencies
• Right-to-left layouts
• Locale routing
• Translation workflows
• SEO for multilingual sites
• Testing localisation

Instructor

Lena Fischer — Senior Frontend Engineer

Lena Fischer is a Senior Frontend Engineer with years of hands-on experience teaching Internationalisation to thousands of learners worldwide.

Certificate

Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Internationalisation for Web Apps. It can be downloaded as a PDF and shared on LinkedIn.

Career outcomes

Median global salary $110,000 per year · median India salary ₹15,40,000 per year · 38,598 open roles worldwide

• Internationalisation Specialist
• Senior Internationalisation Lead
• Internationalisation Consultant

Frequently asked questions

Is the Internationalisation for Web Apps course free?

Yes. Every Learnera course, including Internationalisation for Web Apps, is completely free — lessons, quizzes, the final exam, and the certificate.

How long does Internationalisation for Web Apps take?

10 lessons, typically completed in 3 weeks at a comfortable pace.

Do I get a certificate?

Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.

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