As time progresses, business grows, and more resources are required. Taking part in e-commerce in the early stages may have you opt for a basic shared plan in terms of web hosting. However, when your business picks up, you ought to start thinking of transitioning to a dedicated servers Australia or virtual private servers. One thing that should be there from the start however and should always be maintained is an SSL certificate. Below is a discussion on determining when to upgrade.
The whole point of transitioning to virtual private servers (aka VPS hosting) is because of performance. If your website has been getting too much traffic, shared hosting may not keep up with the pressure. To know the point where you need to switch, the hardware that your hosting provider offers, the plan, and configurations will determine the move.
Considering that few providers offer the same experiences, it can make it difficult to know when to upgrade to VPS Australia. Therefore, there are some criteria that the website needs to meet as an indication for you to shift. If you are receiving progressively more visits to your website and your seeing the performance of the site degrade (with no other changes made to the site) it indicates that your current setup may not be handling the increase well. At the more extreme end you need to monitor if there's timeouts on pages which are causing pages to not even be served to users.
There could be a lot of factors that can impact your website's performance which might strain the capabilities of the web hosting you current have. This brings out the need for you to optimize your site. While there's definitely a variety of options to optimise your site including how you code it, you can also consider upgrading to a virtual private or dedicated server.