Nowhere

Web hosting allows the customers to choose from a wide range of hosting packages. Since all of them are not the same, so are their benefits over one another. If one hosting plan is appropriate for a particular sort of website that does not necessarily mean that the same web hosting plan will be applicable and equally appropriate for all other types of websites. So it is always mandatory to analyze the needs of your own websites and then try to determine which type will suit best. There is quite a varied range of best web hosting plans among which, two of the most common and highly demanded web hosting plans are dedicated server hosting and shared server hosting. Both hosting plans have their own advantages. Whatever features one can serve, the other one cannot and this is the reason why both are highly popular though it is important for a website owner to know the advantages of both as well as their shortcomings so that it becomes easy to make the decisions accordingly.
If a website is meant for business purpose specifically then it is very safe to say that a dedicated host is far appropriate than a shared server host. Most of the people would still like to go for shared hosting instead of dedicated server hosting since it is extremely affordable but it should be always understood that the better you invest in your business, the more you are going to earn. Same is the case with web hosting. If you are going to invest in an expensive but reliable hosting plan then your website is definitely going to stand out from the rest of your contenders attracting more traffic and generating more business.
Technically speaking, a website which is hosted by shared server hosting has to face a lot of limitations such as limitations in bandwidth, disk storage, the uptime might not be as great as in that of dedicated hosting. Also the fact that a lot of websites are being hosted by the same server, it is quite likely that the sever gets crowded which could be the reason to slower speeds in website browsing, sometimes that leads to complete unavailability of the website. There are several other reasons why dedicated hosting should be preferred over shared web hosting and one of the most crucial aspects are that of security so dedicated hosting needs to be given first preference.