Speed up your WordPress Website with the use of HHVM and Nginx. HHVM provides much performance and less memory consumption than traditional PHP engines. HHVM is an open-source virtual machine designed for executing programs written in Hack and PHP. HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the development flexibility that PHP provides.
Complete guide to Install, Update & Disable strict SQL mode in MySQL