Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

PHP is a general-purpose scripting language used for web development.

Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.

PHP is a general-purpose scripting language used for web development.

OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Google Analytics is a free web analytics service that tracks and reports website traffic.

Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.

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

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

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