DDoS-Guard is a Russian Internet infrastructure company which provides DDoS protection, content delivery network services, and web hosting services.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
React is an open-source JavaScript library for building user interfaces or UI components.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.