Cloudflare enhances the performance, security, and reliability of websites and applications through services like content delivery network (CDN) solutions and cybersecurity protections against threats such as DDoS attacks. They also offer serverless computing, allowing developers to run code without managing servers. Their freemium business model attracts a wide range of clients, from individual developers to large enterprises, generating revenue through subscriptions and enterprise contracts. Cloudflare aims to improve online experiences by making the internet faster and more secure.