Apart from being totally free, this kind of hosting really doesn't have any other advantage. The website owner does not pay anything and still gets a hosting service. That's it. The only good thing about free hosting. It has some major disadvantages though which are many. They are :
Search Engines does not index such website . Directory does not allow such website. Ad sense is normally not available on such website. It means if you want to earn money through internet, then this is another major disadvantage.
Can Not Sale web-space for Ads, Does not matter how much popular your website or blog among your user. Your Domain-Name is always comes with the web-hosting company name. You can not upload your own scripts on such web-host. These website comes with ready made themes , so you can not change the Look and feel of these website
If you want to take the backup of these website, then this facility is not available, it means if by some reasons, your website is hacked or defaced then you can not restore it. Owner web-hosting company can shut your website at any time. If not it can serve a lots of advertisement on your website. Thus the motto of your website is ignored or sidelined
Low Bandwidth is allocated to such web-sites. You do not Gets multiple Email accounts for managing your website. Free FTP accounts are not available i, e. You can not develop your website offline. All the time you have to develop your website online.