However, if a bad user shares your server with you, they can threaten your security and allow hackers to easily reach your content and critical data. Furthermore, because you’re all sharing the same resources, if any of the users that you’re sharing your server with use a lot of memory or their site has a lot of traffic, your website’s performance is likely to suffer.
Simply put, shared hosting means your site will share the same server as many other sites. It’s usually the cheapest option but comes with limited bandwidth, administration, and performance capabilities. VPS hosting is a more premium option, with the ability for greater customization and increased performance. But, as with any premium service, you’ll have to pay more to get more.