| serp shadow | Noun phrase. The group of URLs listed below any given Website. Every listing in a SERP except the last one in the search results (page). If your site is ranked 2nd for keyword then your listing is in the 1st-ranked sites SERP shadow but the 3rd listing is in your SERP shadow (and the 1st sites). |
| organic keywords | Terms that enable a site to rank in the Google Organic results. |
| universal search | When search engines pull data from multiple speciality databases to display on the same SERP. Results can include images, videos, news, shopping, and other types of results. |
| affiliate marketing | Affiliate marketing programs allow independent marketers (affiliates) to get paid on a cost per action (CPA) model. Affiliates earn more money based on how successful they are in attracting visitors to their sites. |
| link atrophy | the loss of backlinks to your website over time. |
