How Search Works

For each page a spider visits, it records any info it might need for a search. It adds it to a special database called

A spider is a program that collects information across hyperlinks across the entire internet.

Because a website often makes money when you visit, who is always trying to find ways to game the search algorithm?

Search engines are constantly running a program called...

Yahoo! created the most famous algorithm for choosing the most relevant results.

To find a business nearby, it's best to type the term 'near me' so that your search engine knows exactly what you want.

Some of the things a ranking algorithm might check are

The internet is a web of pages connected to each other by...

To understand your search words better, programs use some

Which 2 companies do the people featured work for?

Each search engine ranks the pages based on what it thinks you want using...

Machine learning is a type of artificial intelligence that lets computers learn without being specifically programmed.

When you run a search query, all websites on the web are searched in real time.

A spammers goal is to get their pages ranked higher in the search results.

The Google Page Rank algorithm is named for Google co-founder Larry Page.

Search indexes are so complex they never have to guess what you're looking for.