Multilingual SEO Showdown: URL Parameters vs. Subdomains vs. Subdirectories—Which is Best?

Choosing a URL structure for your multilingual website? This article provides an in-depth SEO analysis of three common methods: URL parameters, subdomains, and subdirectories. We compare them head-to-head, explain why subdirectories are often the best practice, and offer a complete step-by-step guide to safely migrate from a poor URL parameter setup to an SEO-friendly structure, helping your site (like wiki.lib00.com) achieve better global rankings.