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.

Cloudflare bot management solution identifies and mitigates automated traffic to protect websites from bad bots.

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

hCaptcha is an anti-bot solution that protects user privacy and rewards websites.

Tengine is a web server which is based on the Nginx HTTP server.

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

Cloud CDN uses Google's global edge network to serve content closer to users.

Google Cloud is a suite of cloud computing services.

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.

Envoy is an open-source edge and service proxy, designed for cloud-native applications.

Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.

Varnish is a reverse caching proxy.