The Language Switcher allows you to add dropdown list of urls pointing to a translated version of the current page. This plugin do not provide translation features or multi-version like WPML or Weglot. You can totally use it together with WPML or Weglot however we strongly recommend you to keep all languages separated from each other by simply implementing one WP site per language and use the language switcher as navigation tool between all the installations, like wikipedia does in its sidebar. If you chose to implement multi-language from the same site without any other translation plugin the plugin will take care of switching the default language of the site depending on the language of the current url. It means that when you will be reading the spanish version for example, the auto generated contents (date, plugin translations, core translations…) will also be shown in spanish. Following the same logic the Menu will filter only the spanish urls and the WP_Query will show only spanish contents in the case tag clouds and list of categories. Once you activate the post types (post, page, product….) and/or taxonomies (tag, category, attribute…) in the Language settings you can then add language urls when… Read More
