Robot is a _____________.
Robot is a Spider
Spider. Alternatively referred to as a web bot, web crawler or web robot, a spider is a program or script written to browse the World Wide Web in a systematic manner for the purpose of indexing websites.
Crawler: Also known as Robot, Bot or Spider. These are programs used by search engines to explore the Internet and automatically download web content available on web sites. They capture the text of the pages and the links found, and thus enable search engine users to find new pages.
A spider is a program that visits Web sites and reads their pages and other information in order to create entries for a search engine index. The major search engines on the Web all have such a program, which is also known as a "crawler" or a "bot."
Web Crawler visits Websites and reads their pages and collect other important information in order to create entries for a search engine index. Web crawlers or web robots are programs that browses the internet in a methodical, automated manner to provide search engines with up-to date data.