Maintaining a website requires ongoing expenses, some of which may be billed annually. These expenses may include: Domain registration: A domain name must be registered and renewed annually, or every few years depending on the extension you choose. Web hosting: A web hosting service is necessary to keep your website online. Hosting plans can be paid monthly or annually. SSL Certificates: SSL certificates ensure that the data transmitted between your website and the user's browser is encrypted and protected. SSL certificates need to be renewed every year. Software updates: Some website require specific software to run, and this software may need to be updated or renewed yearly.