Discussion
Web Crawler is also called as ........... .
Answer: B
A web crawler is also called a Web Spider.
A crawler is a program that browses the web automatically, following links from page to page and collecting pages for a search engine's index. Because it 'crawls' through the web of links, it is also called a spider or bot (Googlebot is an example).
A link directory is a human-edited list of links, a web manager administers a site, and search engine optimisation is a practice of improving a site's ranking, not a program that collects pages.
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