hreflang needs return links: if the UK page points to the German page, the German page must point back.
Hreflang explained, with the rules that make search engines ignore it.
seogenz.com/articles/hreflang-explained-showing-the-right-pa...
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Hreflang explained: showing the right page in each country and language
What hreflang does and does not do, how to implement it correctly, and the mistakes that make search engines ignore it.
SEOgenz Editorial · · 2 min read