Static Cache Option
The Static Cache is suitable for all kinds of web sites. It is enabled by default for all SiteGround shared accounts. In this tutorial page you will find detailed information on the following topics:
Static cache is automatically flushed each 24 hours, so that if there are changes made during this time they become available to your visitors. If you need you can also immediately flush the cache through the cPanel.
You can enable or disable Static Cache from your cPanel -> SuperCacher. Just select the "Static Cache" tab and click on the "On/Off" button:
If you edit your site and you don't see all changes you will have to flush the Static Cache. To flush the cache, access the SuperCacher page and go to the Static Cache tab. After that click on the green "Flush Cache" button: