There are some useful tools available to work with your Magento installation, which enforce your monitoring, measuring, and speed optimization.
New Relic is a powerful analysis software platform. It provides a wide range of real-time data to measure the performance of your server. The setup consists of deploying a PHP extension to collect data from your application and a local proxy daemon to send it to New Relic.
The dashboard of New Relic looks like the following screenshot:
An overview of New Relic's services will give you an insight into what is happening in your website. It will provide you with data on the transaction time (type of transaction, source, and so on). You can track the real-time Apdex score (top right). This rate is the global user satisfaction, based on a set threshold. The application's owner defines a response time threshold (for example, 2.00 seconds) and all the responses handled below this limit...