Hreflang missing x-default

Opportunity severity, in the Hreflang tab

Why it matters

x-default tells search engines which version to show users who match no language.

How to fix it

Add an hreflang="x-default" entry.

How Crawlune finds it

Crawlune flags Hreflang missing x-default automatically on every crawl and lists the affected URLs under the Hreflang tab, where you can filter, inspect each page and export the list to CSV. The free version crawls up to 550 URLs with every check enabled.