The idea is great. But it would have been more interesting if it were FOSS and if it didn't collect any kind of data, e.g., location data. Just like GoEuropean does.
I'll try the website because I trust my browser and the scope of the service. But I'll never use closed-source extensions that can't prove their privacy and security system. This comment is to express my frustration and ask for a change. I'll change my review if improvements in this direction occur.