content(hreflang): warn against dropping x-default in multi-locale setups#11
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Add a common-mistake bullet: some setups emit x-default only when a single alternate exists, which is backwards. x-default is the fallback for the multi-locale case.
jdevalk
approved these changes
May 31, 2026
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Adds one bullet to the Common mistakes section of the
hreflangpage.x-defaultis the fallback search engines use when nohreflangmatches the visitor's locale.A pattern seen in the wild is emitting it only when a single alternate exists and dropping it
once two or more locales are present — backwards, since the multi-locale case is exactly where a
fallback is needed. The new bullet warns against that.
Platform-agnostic (no implementation named), British English, and
updatedbumped per thecontribution rules.