nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Heroku provides you with all the tools you need to iterate quickly, and adopt the right technologies for your project.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.