The CPU load is dependent upon the length of time a hosting server spends executing a script whenever a visitor opens a webpage on a particular script-driven website. Static HTML Internet sites use hardly any CPU time, but this isn't the case with the far more sophisticated and functional scripts, which use a database and display dynamic content. The more customers open this sort of a site, the more load shall be generated on the web server and if the database is very large, the MySQL server shall be loaded too. An example of what could cause high load is an Internet store with a large number of products. If it is popular, a lot of people will be exploring it at the same time and if they search for items, the whole database containing all the products shall also be continuously accessed by the script, resulting in high load. In this light, having CPU and MySQL load statistics can provide an idea of how the website is doing, if it has to be optimized or if you simply need a more powerful website hosting solution - if the Internet site is extremely popular and the current setup cannot cope with the load.