Client side redirection is writing a script that is controlling the redirection. Such scripts are easily available on the Internet for no or small cost. Copy and paste the script on your first page and this will control the transition to a different web address. Scripts normally run on a user’s browser so ensure your script is compatible with most popular browsers. Since the script will be running on the local browser the script will be visible to a user in case they know how to open the source code and they could tell your website is hosted at a different site.
Recommendation is to go for server side redirection, with client script redirection you need to consider following points:
Technical expertise is required in order to tweak or write the redirection code yourself.