I wear too many hats at work.

Web crawlers are used to collect data from websites.

A web crawler is a program that systematically browses the World Wide Web for the purpose of indexing web pages.

A web robot is a program that automatically navigates the World Wide Web.

Web robots are used to automate repetitive tasks on the internet.

A web scutter is a program that automatically navigates through websites to gather information.

Web scutters are commonly used to gather data from websites.

Web spiders are commonly used for web scraping.

A web spider is a program that systematically browses the World Wide Web, typically for the purpose of web indexing.

A web server is a software that serves web pages to clients.