test and comment please

I found this firefoxplugin called IMtranslator.

I tested it and found it pretty good, even better than google translation.

But I don´t realy know if it´s an word for word translation or better and I don´t have reference material, so I´d like you people to tell me what you think about it. her´s the link:

https://addons.mozilla.org/de/firefox/downloads/file/8665/imtranslator-3.2-fx.xpi