The best website to streaming anime online for free is Gogoanime. Here you can find almost every kind of anime content. From the most popular to the oldest, you will find everything here.
It's a lot more than what is normal in the Japanese language. You may be able to get English subtitles on Gogoanime. Gogoanime also has the unique feature of allowing you to immediately contact website authorities by filling out a form. You can also make suggestions to include Anime or any other type of content at gogoanime.mom