Generally no, although there are a few exceptions. If the free host is making money from banner ads or other revenue sources directly from the free hosting service, then they likely will stay in business, provided someone doesn't abuse their web hosting server with spam, hacking, etc., as often happens to new free web hosting companies with liberal signup policies. If the freehost accepts just anyone, especially with an automated instant activation and it offers features such as PHP or CGI, then some users invariably try to find ways to abuse it, which can cause the free server to have a lot of downtime or the free web server to be slow. It is best if you choose a very selective free hoster which only accepts quality sites (assuming you have one).
Uses for free webspace

Free web hosting is not recommended for businesses unless you can get domain hosting from an ad-free host that is very selective. Other reasons for using free hosting websites would be to learn the basics of website hosting, have a personal website with pictures of your family or whatever, a doorway page to another web site of yours, or to try scripts you have developed on different web hosting environments.
How to find the right free web hosting site

The best place to search for free webhosting is on a free webspace directory website (i.e. a web site which specializes in listing only free web hosting providers). There are some which add new free hosts pretty much every week (and if it is updated often, has usually had to delete about as many). There are also many which almost never update their web site, and a huge percent of their links and info are outdated. Unfortunately that includes most of the directories that were the best several years ago. The problem is free hosts change so often, and most fold up in less than a year (often even after only a day or two), that it is hard to keep such a freehosting directory up-to-date. The most recommended free web space directory is Free Web Hosting (https://www.free-webhosts.com/), which has a detailed list of over 500 free web hosting providers with user reviews, ratings, and free hosting searchable database. It is updated daily, and the advanced free web hosting search has 42 options, helping you to find the free hosting package with all the features you need, such as CGI, PHP, MySQL, ASP, SSI, Ruby on Rails, FrontPage server extensions, and even free cpanel web hosting.

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