Promoting your Gigs on social media, websites, or blogs is a great way to bring more traffic to your Gig. The more traffic, the more exposure you will receive in our marketplace. Completing your orders on time and providing exceptional service can also affect your ranking. As long as you are doing well in these areas, your ranking will improve.
Source by https://help.fiverr.com/hc/en-us/articles/360011028318-Managing-your-Gigs