WordStream Internet Marketing Software

Crawler: What Is a Web Crawler?

A crawler, or web crawler, is a computer program that "reads" or indexes data on the World Wide Web. Search engines use crawlers to provide up-to-date search results. Also known as a spider.

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.

Contact Us | Company | Support | Site Map | Trademarks | Privacy Policy © 2007-2014 WordStream, Inc. All rights reserved.