Duolingo Web

Duolingo is a website which is free. It is used for learning a language. It seems fun and effective in terms of teaching a language. It includes translations from a language to another and it teaches you which word means what. For example, you are a native speaker of English who wants to learn Spanish,duolingo starts giving you a sentence from a Spanish website ans asking you to translate it. This process and the simplicity of the sentences are different according to your target language level. Also, I saw that people like this website and commented on it in a good way. For example;

Lastly, here is their website details:

I think it is a useful website for the learners of a new language since it is free and provides exercises online.