Reinvigorate is a unique, real-time web analytics system leveraging some of today’s most advanced open-source technology to give you the best-looking and easiest to use analytics platform available.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.