url encoding issue with utf8

[kennycason]

Example url: http://localhost:8080/tags/%E3%82%B9%E3%82%BF%E3%83%BC%E3%83%88%E3%82%A2%E3%83%83%E3%83%97.html

Found on page: http://kennycason.com/posts/2016-10-28-my-startup-story-jp.html