Well, there are lots of things which are needed to be done in order to keep the website up to date. These work can be big changes or can be small work a change of an image or maybe date. Now not every day you will have time to do these changes or it may take a lot of effort for you to do the change. If you employ a full-time webmaster for your website maintenance service then it is a too costly affair. Therefore it is best to use services such as web site maintenance ones which are cost-effective.