Custom widgets are specialized user interface elements that can be tailored to meet specific needs or preferences. Unlike standard widgets, which come with predefined features and designs, custom widgets allow developers to create unique functionalities and appearances. This flexibility enables businesses and individuals to enhance user experience on their websites or applications. These widgets can include anything from interactive buttons to complex data visualizations. By using programming languages like JavaScript or frameworks such as React, developers can design widgets that integrate seamlessly with their projects. Custom widgets help improve engagement and provide users with a more personalized experience.