| referrer | URL data that identifies the source of a user’s webpage request. |
| time portal | Noun phrase. In Web analytics, a time portal is a special type of hidden door (q.v.) whereby the user opens a Web page in a browser and leaves the page open for hours or days before engaging in or resuming activity on the page. To most analytics software, the time portal creates two or more user sessions. Cf. Time tunnel. |
| share of voice | How many impressions a brand receives in the SERPs for search terms when compared to the total impressions that the brand’s competitors receive for those same search terms. |
| xenu | A program used for link checking. |
| cross pollinization | Noun phrase. The practice of promoting one or more Web documents as relevant, favorable content in two or more search results (q.v.). |
