if its set in permalinks to post-name by default than you don't need to do anything else your article title will automatically be your domain. com/the name of your article.

well there are many factors but here are few simple ones, Be regular. talk about the subject of which you are expert. use insta stories to increase following, use hashtags, come live every now and than, short videos of 50 sec duration, visual contact will help. and use SMO strategy to grow your instagram following organically.