No, it is not safe, moviesda is a most popular streaming website but it provides piracy content to user’s. You could go to jail for this site because of illegal content. It has viruses that will harm your devices and also steal your personal information.

Also read this - http://www.gunrightsmedia.com/showthread.php?537274-From-where-can-I-watch-the-best-anime-content-online&p=5785285#post5785285