WordStream Internet Marketing Software

Search Engine: What Is a Search Engine?

A search engine is a program for information retrieval that sorts through documents or other content based on given parameters (usually keywords) and returns an index of results relevant to those parameters. Results are ranked according to an algorithm. Google is the most widely used search engine worldwide.

Free Keyword Tool

Get thousands of relevent keyword suggestions - more,
faster, free!

Free Keyword Niche Finder

Discover profitable pockets of keywords for your

Free Negative Keyword Suggestion Tool

Identify wasted spend before it happens and increase
your paid search ROI.

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