Hreflang Tag Summary This glossary contains definitions of technical and marketing terms referenced across DAO.AD documentation. Definition The hreflang tag is a technical solution for websites which have similar content in multiple different languages or regions. The tag tells Google that the same content is available in multiple languages, removing the issue of duplicate content and ensuring users from different countries are served the correct language. Used in Statistics API Campaign Management API Last Updated 2026-07-05 ยท Owner: wiki@dao.ad