In many cases, the performance of you website due to heavy traffic is a good indicator to move to VPS hosting. Now, many shared hosting plans perform exceptionally well when it comes to handling large amounts of traffic. But if you’re processing information from hundreds of thousands of people per day, you may want to consider upgrading. Expansion of your business may be another good indicator to upgrade to VPS. Perhaps you have software you want to use online to integrate your business. Maybe you want to offer direct video content to site users. The processing power of a VPS and the bandwidth can make heavier sites perform smoothly.