GLOSSARY
hreflang
IN ONE SENTENCE
hreflang declares the correspondence between language versions of the same content.
hreflang declares the correspondence between language versions of the same content.
01
In detail
⚠️ The common x-default mistake is having each locale point at the other, producing two contradictory declarations of the default. The correct approach is one fixed target — usually the primary market's version — consistent across deployments.
Updated 2026-08-06