Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Next.js is a React framework for developing single page Javascript applications.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.