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

The answer is crawler

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.

It can sometimes be called a process chart.