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There is not a single host that works for everyone. Take Hosted as an example, it works like a charm for Iris but Ruinily seems to be struggling. The best idea is to try out these hosts on your own, since only you the user know how much a webhost fits you. For freehosts this shouldnt be a problem, for paid hosts they usually offer 30 days money back service so you can move away if it keeps going offline for your site. You have nothing to lose, unless you are moving a semi-active site to an upgraded hosting package. In this case, you'd be more careful.