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

EWWW Image Optimizer is an image optimisation WordPress plugin designed to improve the performance of your website.

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

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.

Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.

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

Sites using the WordPress Block Editor, also known as Gutenberg.

MySQL is an open-source relational database management system.

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.

WordPress Super Cache is a static caching plugin for WordPress.

Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

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