Treat localization as a product decision
Adding another language changes more than labels. Decide which locales the application supports, how people select a language, and what should happen when a translation is not available. These decisions affect navigation and content, so make them before duplicating pages.
Keep user-facing text discoverable
Avoid scattering visible copy across templates and application logic. A consistent localization workflow makes it easier to identify untranslated text and review messages in context. Angular’s localization tooling can produce localized application variants; choose a clear convention for messages and locale-specific builds.
Test layout as well as translation
Translated strings can be longer or shorter than the original. Check navigation, headings, buttons, forms, and narrow screens in each supported locale. Also verify language selection and direct loading of a localized URL, rather than testing only the default landing page.
Review meaning with context
A technically valid translation may still be unclear or inappropriate in a real interface. Give reviewers enough context to understand where a message appears, keep terminology consistent, and test error and empty states as carefully as the happy path.
Explore a working example
The Internationalization project is an Angular localization demo with English, Dutch, and Serbian variants, plus a translation studio. Use it as a place to explore the user-facing flow, then verify the current implementation and supported locales in the running app before copying a pattern into another project.
References & further reading
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