"good" way to redirect users and robots for internationalization?

"good" way to redirect users and robots for internationalization? - If a page has internal and external outgoing links to redirecting URLs, it’s returning 3xx (301, 302, etc.) HTTP status codes standing for redirection. This issue means that the page does not exist on a permanent or temporary basis. It appears on most of the popular web browsers, usually caused by a misconfigured website. However, there are some steps you can take to ensure the issue isn’t on your side. You can find more details about redirecting URLs by reading the Google Search Central overview. In this article, we’ll go over how you can fix the "good" way to redirect users and robots for internationalization? error on your web browser. Problem :

I have a website in Spanish and English.

When there isn't any subdomain selected the preferred language is taken from the browser preferred language or a cookie.

I have the following URLs

es.example.com
en.example.com
example.com

I want that when an user enter to es.example.com/any_url the cookie is set and then is redirected to example.com/any_url, but if it's a crawler then is not redirected.

As you can see there isn't any obscure intention here, is just so the URL is cleaner.
Does this have in any kind of penalization by search engines?

Solution :

You should read up on Google's new multi-lingual guidelines.

We hope that this article has helped you resolve the search-engines, redirects, url error in your web browsers. Enjoy browsing the internet uninterrupted!