A web hosting service is a type of internet hosting service that allows individuals and organizations to provide free space to support their website and web hosts are companies that provide space or a server to support website they own and lease for use by the clients a s well as providing internet connectivity. Its definition is simply that, its web server provides space at no cost, usually has some form of other services with limited features.  
Web hosts can also provide data centre space and connectivity to the internet for servers. They do not own to be located in the data centre.

Free web hosting can be beneficial for students and have based small businesses and young entrepreneurs that want to cut costs of online promotional expenses. Even it is also seen that most companies those have already earning a good profit and have a large customer base do not need to invest on website design and hosting but if they just want an online presence on internet they can take benefit of such free services by any of free web hosting providers.

Some companies have efficient IT teams they put their efforts to get free website design and hosting services. Free web hosting limits the use of data and user experiences some distractions on website as the hosting company sometime put their advertisement on their website and it does not give a good impression to a prospect visitor. Sometime clicking on these sites may give earnings to the website owner depending on the policy.

Free web hosting offered by different companies with limited services sometime supported by advertisement are often limited when compared to pay hosting.

The individuals and organizations those are looking for no cost solutions for personal or no-profit organizations websites may take benefit of it but not for services or businesses websites. The free websites have some benefits over its limitations like, the user does not need to pay cost, and it is ultimately perfect solution for a personal website if the user is not interested to make money from the site.

Free web hosting has some disadvantages as well, most of web hosting providers require to place their advertisements on their web pages, a good web hosting company provides technical support as well whereas such free services doesn’t provide any phone support to tackle any relevant issues and troubleshooting.