The WordPress Multilingual Plugin (WPML) is the most popular WordPress plugin for creating a multilingual website. WPML allows you to easily translate your WordPress content into multiple languages and run them smoothly on your site. Using WPML, you can manage different language contents in the same domain with a single WordPress installation. This helps you to serve a diverse audience from a single website without having to install WordPress on multiple domains. WPML plugin works with almost all WordPress themes and plugins available on the market. It’s SEO friendly and lets you choose language URL format as directories, subdomains, or parameters. Plus, it works with the Yoast SEO plugin and other SEO-related plugins well. WPML is created and managed by OnTheGoSystems. The plugin has available for a long time now, yet they still offer regular updates and dedicated support to their customers.
