Here is a comparison between JustHost and MyHosting based on features, price, support and uptime. Features are also compared side by side in detail. Unless otherwise specified, the features mentioned will refer to the cheapest package available of JustHost and MyHosting, which need not be equal in terms of price.
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About JustHost About MyHosting
Just host is a popular shared host, with reasonably good reviews on support and uptime. They offer unlimited resources and the prices are quite cheap.