Hey @Tim_Lichti there are several solutions to add localization to your website so that you don’t have to have so many copies of the site.
Here’s a discussion on the forum about utilizing Localize.js:
http://forum.webflow.com/t/localizing-websites-with-webflow-and-localize-js/2989
And a discussion about utilizing Bablic:
http://forum.webflow.com/t/easily-translate-your-webflow-website-with-bablic-localizing-webflow/12156/19