What is hreflang and when do I need it?
The hreflang attribute tells search engines which language version of your page to show users based on their location and preferences. If you're running a multilingual or multi-regional website, hreflang prevents duplicate content issues and ensures visitors see content in their language. This guide explains when you actually need hreflang, how to implement it correctly in WordPress, common mistakes to avoid, and testing methods to verify it's working properly for your international SEO strategy.