Web Technologies Used by e-gov.go.jp

PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development. PHP code may be executed with a command line interface (CLI), embedded into HTML code, or used in combination with various web template systems, web content management systems, and web frameworks.

Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.

jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is free, open-source software using the permissive MIT License.

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

Drupal is a free and open-source content management framework written in PHP and distributed under the GNU General Public License.

Matomo Analytics is a free and open-source web analytics applicatio, that runs on a PHP/MySQL web-server.