Here are the SEO definitions for words beginning with R—
4: Regular expression
5: Return on investment (ROI)
Redirect: The process of redirecting requests for a web page to another page.
REFERER: A header sent by a web browser indicating where it arrived from — or where... Entry archived, click here to see full entry
Regex: See regular expression.
Regular expression: A string written in a special language that matches text patterns.
Return on investment (ROI): A metric for the benefit attained by a particular investment.
Robot: In the context of this book, a robot refers to a spider.
robots.txt : A text file located in the root directory of a web site that adheres to... Entry archived, click here to see full entry
ROI: Acronym forreturn on investment.
RSS: A web feed standard based on XML.