The Advanced tab grants you swift access to a set of advanced features, among them the Memcached distributed memory caching system and the Varnish Cache web application accelerator, which will help you optimize your web sites and apps without having to leave the Control Panel. Based on the web hosting package, these features are either included by default or are offered in the form of easy-to-get upgrades. InnoDB and NodeJS support is offered as well.
Varnish Cache is a web accelerator also known as an HTTP accelerator. You can install it in front of any web server that speaks HTTP and configure it to cache the contents. Varnish Cache is very, very fast and will increase your site's speed. One of the key virtues of Varnish Cache is the flexibility of its principal configuration mechanism, VCL, which allows you to choose how incoming requests should be handled.
Memcached is a generic memory object caching system for increasing the loading speed of dynamic database-driven web sites. It is used to decrease the number of times an external data source (such as a DB or API) is read by caching data and objects in RAM. The Memcached memory caching system uses a two-tier architecture. The Memcached memory object caching system is employed by some of the most regularly visited web sites on the World Wide Web and is supported by popular web apps like Joomla and WordPress.
InnoDB is the default storage engine for the MySQL open-source DBMS. A storage engine is the underlying software component that a DBMS uses to create, read, modify and delete data from a database. Its latest version offers considerable improvements in efficiency, stability and usability. InnoDB offers the standard ACID-compliant database transaction properties, along with declarative referential integrity support. InnoDB is included by default in most binaries distributed by MySQL AB.