What is PHP-FPM? A PHP for high traffic websites
PHP-FPM (FastCGI Process Manager) is the most popular alternative implementation of PHP FastCGI. PHP (acronym of PHP: Hypertext Preprocessor) is one of the most popular open source programming languages on the Internet, used for web development in platforms such as Magento, WordPress or Drupal. Although it was initially designed for preprocessing plain text in UTF-8.