Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
AMP, originally created by Google, is an open-source HTML framework developed by the AMP open-source Project. AMP is designed to help webpages load faster.
Cloudflare Workers is a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
WP Engine is a website hosting provider.