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Multi Lingual SEO

Optimises a website so search engines can serve the correct language version to users in different markets, improving relevance and reducing duplicate content.

If you have ever launched multiple language versions without proper hreflang tags, you already know the confusion it causes for both users and search engines.

Key points

  • Research keywords separately for each target language using native queries and local SERP analysis.
  • Use hreflang tags with self-references and alternate URLs on every page to avoid duplicate content issues.
  • Avoid automatic redirects between language versions; let users choose their preferred language.
  • Start with a few priority languages and expand after validating performance and operational support.
  • Consider working with international SEO agencies if you lack in-house expertise.

A French site localises for English users

A French e-commerce site launched an English version by directly translating product pages. After three months, the English pages had zero organic traffic. They then hired a multilingual SEO consultant who conducted separate keyword research and found that English users searched for 'trainers' not 'sneakers'. After rewriting the content with localised keywords, the pages began ranking within weeks. Traffic from the UK increased significantly.

Three common mistakes in multilingual SEO

  • Direct translation Using word-for-word translation instead of local keyword research leads to irrelevant content that fails to match user intent in the target market.
  • Automatic redirects Relying on automatic language redirects can prevent users and search engines from accessing the preferred version, causing confusion and indexing issues.
  • Incorrect hreflang Implementing hreflang without self-references or missing alternate URLs confuses search engines and can lead to wrong language versions being shown.

Three steps to set up multilingual SEO

  • Separate keyword research Conduct keyword research for each target language using native-language queries and local SERP analysis to capture actual search behaviour.
  • Self-referencing hreflang Add a self-referencing hreflang tag to every page and include all alternate language versions to help search engines serve the correct version.
  • Language-specific tracking Set up language-specific tracking in Google Analytics and Search Console to measure performance by locale and identify issues.

Common questions

How to create a multi language website in HTML?

Use hreflang tags in the head section of each page to indicate language and region. Also provide a language selector for users.

What is the best WordPress multi language plugin?

WPML and TranslatePress are popular. WPML Yoast SEO multilingual integration allows you to translate SEO metadata for each language.

Sources

  1. Google Search Central: Managing Multi-Regional and Multilingual Sites Covers best practices for URL structure and hreflang implementation.
  2. Google Search Central: Hreflang Details hreflang tag syntax and usage.
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