I Think Yes, we can use shared hosting for high traffic websites, as they are capable of handling more than 100,000 visitors per month. In order to have a better understanding of how many visitors a shared hosting can handle, we have to need to determine the factors that will affect the website performance.
To begin with, you can check with your host the type of servers that are being used, the amount of CPU and RAM they have packed, and the ability to scale. Once the website is live, you can check its efficiency through the benchmark tests, and determine what needs to be improved.
Further, the availability of third-party tools, such as Pingdom and GTMetrix gives detailed information, and tips to optimize the speed of your web pages. Such additional services are provided by the shared hosting service providers at different charges. Furthermore, if on a single server,
one website receives a significant amount of traffic, this could impact the performance of the others, resulting in the longer time taken by the website to load.
This leads to a high bounce rate and unhappy customers. If such are the cases you can upgrade to Virtual Private Server (VPS), which is a step up from shared hosting.
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