It means there is no content on your website.
Then you will have to log in to your website through your website's Control Panel and start publishing content on your website.
Then it will be visible to the audience on the Internet.
As it may also be that you may have not optimized the content on your website to be displayed on your website then you will have to find the problem and fix it.
We would not be able to help you much until you tell us the CMS software of your website.
Sometimes a blank web page mean scripting error. Enable display errors in PHP to see the errors or contact your hosting provider for assistance. The provider should be able to give you errors that was log on the server.