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.

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

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

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.

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

Varnish is a reverse caching proxy.

Vercel is a cloud platform for static frontends and serverless functions.

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.

LiteSpeed is a high-scalability web server.

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.

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

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.

BootstrapCDN is a powerful and reliable Content Delivery Network (CDN) that delivers static resources, including CSS, JavaScript, and font files, for the widely-used Bootstrap framework. By leveraging multiple server locations worldwide, BootstrapCDN accelerates website loading times, ensuring a smooth and visually appealing user experience. Additionally, it ensures website compatibility with various devices and browsers. The service reduces bandwidth usage and server load, improving web performance for developers and end-users alike.

JivoChat is a live chat solution for websites offering customizable web and mobile chat widgets.

OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.

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

WebSocket is a communication protocol that provides full-duplex communication channels over a single, long-lived connection, enabling interactive communication between web browsers and servers.