as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
describe what a web crawler is
user
a web crawler, also known as a spider, is a program that automatically visits websites and collects information about the content found on them. it goes through the content of a page, following links to other pages, in order to collect information on a variety of topics. the gathered data is then used by search engines, content providers, and other applications.
assistant