Using WordPress? Try WPMU for Multi-lingual Websites! – ICanLocalize Blog. (Reference: https://blog-en.icanlocalize.com/2008/12/using-wordpress-try-wpmu-for-multi-lingual-websites/)
Links regarding multilingual website:
- hreflang tag generator
- The Ultimate Guide to Multilingual and Multiregional SEO
- hreflang: the Ultimate Guide