Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
Google Pay is a digital wallet platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices, enabling users to make payments with Android phones, tablets or watches.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.