I am working on a site with hundreds of thousands of pages in multiple languages. Most of the content is user generated, the problem is that this creates a lot of duplicates. For instance, a German user creates content in German, then that content is available across the site as such example.com/de , example.com/fr , example.com/it , etc. as well as example.com/de/en , example.com/fr/en , example.com/it/en , etc. The content needs to be...
Originally asked by user3195845 on Stack Exchange (webmasters) (CC BY-SA 4.0).