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

Apache is a free and open-source cross-platform web server software.

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

YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.

Lucky Orange is a conversion optimisation tool with features including heatmaps, session recording, conversion funnels, form analytics, and chat.

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

MODX (originally MODx) is an open source content management system and web application framework for publishing content on the World Wide Web and intranets.

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

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.

UIKit is the framework used for developing iOS applications.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

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.

AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.

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

cdnjs is a free distributed JS library delivery service.

Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.

Azure Front Door is a scalable and secure entry point for fast delivery of your global web applications.

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.

Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.

Varnish is a reverse caching proxy.

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