A custom website refers to a uniquely designed and developed website that is tailored specifically to meet the needs and preferences of a particular business or individual, unlike templates or pre-designed themes that offer limited customization options, a custom website is built from scratch or based on specific requirements provided by the client.

Key features of a custom website include:

1. **Unique Design:** The design of a custom website is crafted to reflect the brand identity and desired aesthetics of the client. It often involves creating custom layouts, color schemes, typography, and graphical elements that align with the client's vision.

2. **Tailored Functionality:** Custom websites are developed to incorporate specific functionalities and features that cater to the unique requirements of the business. This may include e-commerce capabilities, user registration and login systems, content management systems (CMS), integration with third-party services, and more.

3. **Scalability and Flexibility:** Custom websites are scalable, allowing businesses to grow and expand their online presence without major redesigns or overhauls. They are also flexible, making it easier to adapt to changing business needs and technological advancements.

4. **Optimized Performance:** Custom websites are typically optimized for performance, ensuring fast loading times, smooth navigation, and compatibility across different devices and browsers. This enhances user experience and contributes to higher search engine rankings.

5. **Enhanced Security:** Security is a priority in custom websites, with measures taken to protect against vulnerabilities and unauthorized access. This includes implementing encryption, secure authentication methods, and regular security updates.

Overall, a custom website provides businesses and individuals with a personalized online presence that effectively represents their brand, meets specific functional requirements, and supports their growth and success in the digital landscape.