This Plug-In for SmartPPC Pro script will allow to drastically lower server's load.Use of cache system increases speed of work of websites with a big number of visitors. Cache system is highly stable, easy to use and has low system requirements. Currently, many highly developing search system face with a lot of problems because of increasing number of their users. Growth of users' number may lead to the situation, when server's hardware looses its stability and speed to provide fast feedback on the request sent to them. This problem is often caused by increasing number of requests to the server's resources. Upgrade of server's hardware is expensive and often is impossible (when website is hosted by a third-party company). Using this Plug-In you will be able to handle much more traffic and visitors of your Search Engine.