Google Analytics is a free web analytics service that tracks and reports website traffic.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
Joomla is a free and open-source content management system for publishing web content.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.