Final answer:
The student is inquiring about a plugin that enables custom URLs for better usability and SEO. Plugins like 'Pretty Links' or 'Redirection' are available on platforms like WordPress and provide features to manage personalized URL structures.
Step-by-step explanation:
The question is asking about a plugin that enables custom URLs. In the context of website development and content management systems (CMS), such plugins allow users to create and manage personalized, and often more user-friendly, URLs. These plugins can be essential for search engine optimization (SEO), as they help ensure that web addresses are both easy for users to read and for search engines to understand. Many CMS platforms, like WordPress, offer plugins such as 'Pretty Links' or 'Redirection' that enable custom URLs. These plugins often include features to track clicks, create redirections, and manage affiliate links, all of which can be beneficial for managing a website's URL structure.