Glossary
What is Accept-Language Header?
The browser HTTP header listing the user's preferred languages, the cleanest signal for language suggestions.
In more depth
More reliable than IP geolocation: a German speaker in Tokyo still sends de first.
Why it matters for your website
Understanding Accept-Language Header helps you make better decisions when taking a WordPress site multilingual — from choosing URL structures and engines to controlling costs. Transxlate handles the mechanics (language URLs, lang attributes, caching, hreflang on Pro) so terms like this become settings, not engineering projects.
Related terms
Translate your WordPress site today
Bring your own Google or DeepL key, pay wholesale rates, own your translations forever.