I rewrite this post (deleted due to spam problems):
In Joomla plugin Language Filter for multilanguage websites we can view this option:
Remove URL Language Code
In the documentation (https://docs.joomla.org/J3.x:Setup_a_Mu ... Plugins/es) we can read:
As @Per Yngve Berg said:Remove URL Language Code: To create search engine friendly URLs in the multilingual site, set Remove URL Language Code to Yes.
So, I would like if anyone in this forum expertein seo/sef can confirm that this sentence is wrong, isn`t it?What it does is remove the language code from the url of the default language only. Other languages will still have it.
PD: once someone confirm or not that, i would like to inform the documentation team.