An automated search feature used by search engines to find that match your search terms is called a spider or

Answer

Crawler

Explanation

This is a program that go to various website to read their pages and content provided in order to form entries for a search engine index. All search engines have this program called spider or a bot. It acts as an automated script that browses through the internet to scan the web pages and find words contained in the pages and where the words are used.

Crawler is the term used to set a server in motion to do a search.