How to Build a Multilingual WordPress Website
A multilingual WordPress site can multiply your addressable audience overnight. Here is how to build one correctly — without SEO penalties, broken layouts, or frustrated editors.
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WPML vs Polylang: Plugin Comparison
WPML is the market leader — mature, well-documented, and compatible with virtually every theme and page builder. Polylang is a strong free alternative for simpler sites. For complex multilingual projects with WooCommerce integration, WPML's comprehensive feature set justifies the licence cost.
URL Structure for Multilingual SEO
Use subdirectories for each language — yoursite.com/fr/, yoursite.com/de/ — rather than subdomains or separate domains unless you have distinct regional audiences. Subdirectories consolidate domain authority and are easier to manage within a single WordPress installation.
Implementing hreflang Tags Correctly
hreflang attributes tell Google which language version of a page to show to users in each locale. Both WPML and Polylang generate these automatically, but verify them with Google Search Console's International Targeting report — incorrect hreflang is a common cause of content being shown in the wrong market.
Managing Translated Content Efficiently
Professional translation via a plugin integration (WPML supports DeepL, Gengo, and translation agencies) is faster and more consistent than manual translation. Build a translation workflow: content in default language, sent for translation, reviewed by native speaker, published.
Performance Considerations
Multilingual sites can grow database size significantly. Implement object caching with Redis or Memcached, use a CDN with language-aware cache keys, and monitor page load times per language version — performance can degrade unevenly across languages if caching is not configured correctly.
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