| barry schwartz | Barry Schwartz is an SEO industry veteran and owner of Search Engine Roundtable and Rusty Brick. SERoundTable is a great place to learn more about SEO and keep up to date with Google updates. |
| gateway page | Gateway page is the same as a doorway page. |
| middle of the funnel | Middle of the funnel is a term derived from the marketing funnel that describes the process after the prospect has become a lead and before the prospect has made a purchase. |
| ip address | An internet protocol (IP) address is a string of numbers thats unique to each specific website. We assign domain names to IP addresses because theyre easier for humans to remember (ex: moz.com) but the internet needs these numbers to find websites. |
| referrer | URL data that identifies the source of a user’s webpage request. |