New answers tagged local-seo
2
You can set the lang attribute in your <html> tag if you want to. The w3c recommends setting it.
If you do set it, you the value should just be en, not en_US. It is a language identifier, not a locale identifier. It should only specify the language, and not the language and country.
However, setting the lang doesn't actually do anything. That ...
1
It can be fine for SEO to redirect the base URL of the domain to a language based on the Accept-Language header. The only SEO concerns are:
Test your rules for case in which the language header doesn't list one of the languages you support.
Test your rules for no Accept-Language header sent at all. (Most bots won't send one).
You need a fall-back page ...
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