Web hosting is a service that enables individuals and organizations to make their websites accessible on the internet. It involves renting space on a server where website files are stored and served to visitors. There are different types of hosting, such as shared, VPS, dedicated, and cloud hosting, each offering varying levels of resources and control. Hosting providers may also offer domain registration and email hosting services. Features include disk space, bandwidth, uptime, and security measures. Clients can manage their websites through control panels provided by hosting companies. Hosting plans are typically subscription-based, and pricing varies based on the type of hosting and features included.